diff --git a/vendor/assets/polyfill/es5.js b/vendor/assets/polyfill/es5.js
index f16f7cc16..cb5dbf931 100644
--- a/vendor/assets/polyfill/es5.js
+++ b/vendor/assets/polyfill/es5.js
@@ -1,153 +1,113 @@
-/* Polyfill service v3.27.1
+/* Polyfill service v3.34.0
  * For detailed credits and licence information see https://github.com/financial-times/polyfill-service.
  * 
  * Features requested: es5
  * 
- * - Object.defineProperty, License: CC0 (required by "es5", "Object.defineProperties", "Object.create", "_ESAbstract.CreateMethodProperty", "Array.isArray", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Function.prototype.bind", "Object.freeze", "Object.getOwnPropertyDescriptor", "Object.getOwnPropertyNames", "Object.getPrototypeOf", "String.prototype.trim", "_ESAbstract.CreateDataProperty", "_ESAbstract.CreateDataPropertyOrThrow", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate")
- * - _ESAbstract.CreateMethodProperty, License: CC0 (required by "Array.isArray", "es5", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Function.prototype.bind", "Object.create", "Object.defineProperties", "Object.freeze", "Object.getOwnPropertyDescriptor", "Object.getOwnPropertyNames", "Object.getPrototypeOf", "String.prototype.trim")
+ * - _ESAbstract.ArrayCreate, License: CC0 (required by "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - _ESAbstract.Call, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "String.prototype.trim", "_ESAbstract.OrdinaryToPrimitive")
+ * - _ESAbstract.Get, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Object.defineProperties", "Object.create", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "String.prototype.trim", "_ESAbstract.GetPrototypeFromConstructor", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct")
+ * - _ESAbstract.HasProperty, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some")
  * - _ESAbstract.IsArray, License: CC0 (required by "Array.isArray", "es5", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
- * - Array.isArray, License: CC0 (required by "es5")
- * - _ESAbstract.ToObject, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Object.defineProperties", "Object.create", "_ESAbstract.GetV", "_ESAbstract.GetMethod", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate")
+ * - _ESAbstract.IsCallable, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Function.prototype.bind", "_ESAbstract.GetMethod", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.OrdinaryToPrimitive")
+ * - _ESAbstract.RequireObjectCoercible, License: CC0 (required by "String.prototype.trim", "es5")
+ * - _ESAbstract.ToBoolean, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.some")
  * - _ESAbstract.ToInteger, License: CC0 (required by "Array.prototype.indexOf", "es5", "Array.prototype.lastIndexOf", "_ESAbstract.ToLength", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some")
  * - _ESAbstract.ToLength, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some")
- * - _ESAbstract.Get, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Object.defineProperties", "Object.create", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "String.prototype.trim", "_ESAbstract.GetPrototypeFromConstructor", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct")
- * - _ESAbstract.IsCallable, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Function.prototype.bind", "_ESAbstract.GetMethod", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.OrdinaryToPrimitive")
- * - _ESAbstract.Call, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "String.prototype.trim", "_ESAbstract.OrdinaryToPrimitive")
+ * - _ESAbstract.ToObject, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Object.defineProperties", "Object.create", "_ESAbstract.GetV", "_ESAbstract.GetMethod", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate")
  * - _ESAbstract.GetV, License: CC0 (required by "_ESAbstract.GetMethod", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate")
  * - _ESAbstract.GetMethod, License: CC0 (required by "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim", "_ESAbstract.IsConstructor", "_ESAbstract.ArraySpeciesCreate")
  * - _ESAbstract.Type, License: CC0 (required by "Object.create", "es5", "Object.defineProperties", "_ESAbstract.ToString", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.ToPrimitive", "_ESAbstract.IsConstructor", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.GetPrototypeFromConstructor", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct")
+ * - _ESAbstract.GetPrototypeFromConstructor, License: CC0 (required by "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - _ESAbstract.IsConstructor, License: CC0 (required by "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map", "_ESAbstract.Construct")
  * - _ESAbstract.OrdinaryToPrimitive, License: CC0 (required by "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim")
  * - _ESAbstract.ToPrimitive, License: CC0 (required by "_ESAbstract.ToString", "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim")
  * - _ESAbstract.ToString, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "String.prototype.trim")
- * - _ESAbstract.HasProperty, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some")
- * - _ESAbstract.ToBoolean, License: CC0 (required by "Array.prototype.every", "es5", "Array.prototype.filter", "Array.prototype.some")
- * - Array.prototype.every, License: CC0 (required by "es5")
- * - _ESAbstract.ArrayCreate, License: CC0 (required by "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
- * - _ESAbstract.IsConstructor, License: CC0 (required by "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map", "_ESAbstract.Construct")
- * - _ESAbstract.GetPrototypeFromConstructor, License: CC0 (required by "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
- * - Object.keys, License: MIT (required by "es5", "Object.defineProperties", "Object.create")
- * - Function.prototype.bind, License: MIT (required by "es5", "Object.getOwnPropertyDescriptor", "Object.defineProperties", "Object.create", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
- * - Object.getOwnPropertyDescriptor, License: CC0 (required by "es5", "Object.defineProperties", "Object.create")
- * - Object.defineProperties, License: CC0 (required by "es5", "Object.create")
- * - Object.create, License: CC0 (required by "es5", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
- * - Object.getPrototypeOf, License: CC0 (required by "es5", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
- * - _ESAbstract.OrdinaryCreateFromConstructor, License: CC0 (required by "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
- * - _ESAbstract.Construct, License: CC0 (required by "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
- * - _ESAbstract.ArraySpeciesCreate, License: CC0 (required by "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - Date.now, License: CC0 (required by "es5")
+ * - Date.prototype.toISOString, License: CC0 (required by "es5")
+ * - Object.defineProperty, License: CC0 (required by "es5", "Object.defineProperties", "Object.create", "_ESAbstract.CreateMethodProperty", "Array.isArray", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Function.prototype.bind", "Object.freeze", "Object.getOwnPropertyDescriptor", "Object.getOwnPropertyNames", "Object.getPrototypeOf", "Object.keys", "String.prototype.trim", "_ESAbstract.CreateDataProperty", "_ESAbstract.CreateDataPropertyOrThrow", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate")
  * - _ESAbstract.CreateDataProperty, License: CC0 (required by "_ESAbstract.CreateDataPropertyOrThrow", "Array.prototype.filter", "es5", "Array.prototype.map")
  * - _ESAbstract.CreateDataPropertyOrThrow, License: CC0 (required by "Array.prototype.filter", "es5", "Array.prototype.map")
- * - Array.prototype.filter, License: CC0 (required by "es5")
+ * - _ESAbstract.CreateMethodProperty, License: CC0 (required by "Array.isArray", "es5", "Array.prototype.every", "Array.prototype.filter", "Array.prototype.forEach", "Array.prototype.indexOf", "Array.prototype.lastIndexOf", "Array.prototype.map", "Array.prototype.reduce", "Array.prototype.reduceRight", "Array.prototype.some", "Function.prototype.bind", "Object.create", "Object.defineProperties", "Object.freeze", "Object.getOwnPropertyDescriptor", "Object.getOwnPropertyNames", "Object.getPrototypeOf", "Object.keys", "String.prototype.trim")
+ * - Array.isArray, License: CC0 (required by "es5")
+ * - Array.prototype.every, License: CC0 (required by "es5")
  * - Array.prototype.forEach, License: CC0 (required by "es5")
  * - Array.prototype.indexOf, License: CC0 (required by "es5")
  * - Array.prototype.lastIndexOf, License: CC0 (required by "es5")
- * - Array.prototype.map, License: CC0 (required by "es5")
  * - Array.prototype.reduce, License: CC0 (required by "es5")
  * - Array.prototype.reduceRight, License: CC0 (required by "es5")
  * - Array.prototype.some, License: CC0 (required by "es5")
- * - Date.now, License: CC0 (required by "es5")
- * - Date.prototype.toISOString, License: CC0 (required by "es5")
+ * - Function.prototype.bind, License: MIT (required by "es5", "Object.getOwnPropertyDescriptor", "Object.defineProperties", "Object.create", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
  * - Object.freeze, License: CC0 (required by "es5")
+ * - Object.getOwnPropertyDescriptor, License: CC0 (required by "es5", "Object.defineProperties", "Object.create")
  * - Object.getOwnPropertyNames, License: CC0 (required by "es5")
- * - _ESAbstract.RequireObjectCoercible, License: CC0 (required by "String.prototype.trim", "es5")
+ * - Object.getPrototypeOf, License: CC0 (required by "es5", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
+ * - Object.keys, License: MIT (required by "es5", "Object.defineProperties", "Object.create")
+ * - Object.defineProperties, License: CC0 (required by "es5", "Object.create")
+ * - Object.create, License: CC0 (required by "es5", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map")
+ * - _ESAbstract.OrdinaryCreateFromConstructor, License: CC0 (required by "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - _ESAbstract.Construct, License: CC0 (required by "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - _ESAbstract.ArraySpeciesCreate, License: CC0 (required by "Array.prototype.filter", "es5", "Array.prototype.map")
+ * - Array.prototype.filter, License: CC0 (required by "es5")
+ * - Array.prototype.map, License: CC0 (required by "es5")
  * - String.prototype.trim, License: CC0 (required by "es5") */
 
 (function(undefined) {
-if (!(// In IE8, defineProperty could only act on DOM elements, so full support
-// for the feature requires the ability to set a property on an arbitrary object
-'defineProperty' in Object && (function() {
-	try {
-		var a = {};
-		Object.defineProperty(a, 'test', {value:42});
-		return true;
-	} catch(e) {
-		return false
+
+// _ESAbstract.ArrayCreate
+// 9.4.2.2. ArrayCreate ( length [ , proto ] )
+function ArrayCreate(length /* [, proto] */) { // eslint-disable-line no-unused-vars
+	// 1. Assert: length is an integer Number ≥ 0.
+	// 2. If length is -0, set length to +0.
+	if (1 / length === -Infinity) {
+		length = 0;
 	}
-}()))) {
-
-// Object.defineProperty
-(function (nativeDefineProperty) {
-
-	var supportsAccessors = Object.prototype.hasOwnProperty('__defineGetter__');
-	var ERR_ACCESSORS_NOT_SUPPORTED = 'Getters & setters cannot be defined on this javascript engine';
-	var ERR_VALUE_ACCESSORS = 'A property cannot both have accessors and be writable or have a value';
-
-	// Polyfill.io - This does not use CreateMethodProperty because our CreateMethodProperty function uses Object.defineProperty.
-	Object['defineProperty'] = function defineProperty(object, property, descriptor) {
-
-		// Where native support exists, assume it
-		if (nativeDefineProperty && (object === window || object === document || object === Element.prototype || object instanceof Element)) {
-			return nativeDefineProperty(object, property, descriptor);
-		}
-
-		if (object === null || !(object instanceof Object || typeof object === 'object')) {
-			throw new TypeError('Object.defineProperty called on non-object');
-		}
-
-		if (!(descriptor instanceof Object)) {
-			throw new TypeError('Property description must be an object');
-		}
-
-		var propertyString = String(property);
-		var hasValueOrWritable = 'value' in descriptor || 'writable' in descriptor;
-		var getterType = 'get' in descriptor && typeof descriptor.get;
-		var setterType = 'set' in descriptor && typeof descriptor.set;
-
-		// handle descriptor.get
-		if (getterType) {
-			if (getterType !== 'function') {
-				throw new TypeError('Getter must be a function');
-			}
-			if (!supportsAccessors) {
-				throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
-			}
-			if (hasValueOrWritable) {
-				throw new TypeError(ERR_VALUE_ACCESSORS);
-			}
-			Object.__defineGetter__.call(object, propertyString, descriptor.get);
-		} else {
-			object[propertyString] = descriptor.value;
-		}
-
-		// handle descriptor.set
-		if (setterType) {
-			if (setterType !== 'function') {
-				throw new TypeError('Setter must be a function');
-			}
-			if (!supportsAccessors) {
-				throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
-			}
-			if (hasValueOrWritable) {
-				throw new TypeError(ERR_VALUE_ACCESSORS);
-			}
-			Object.__defineSetter__.call(object, propertyString, descriptor.set);
-		}
-
-		// OK to define value unconditionally - if a getter has been specified as well, an error would be thrown above
-		if ('value' in descriptor) {
-			object[propertyString] = descriptor.value;
-		}
-
-		return object;
-	};
-}(Object.defineProperty));
-
+	// 3. If length>2^32-1, throw a RangeError exception.
+	if (length > (Math.pow(2, 32) - 1)) {
+		throw new RangeError('Invalid array length');
+	}
+	// 4. If proto is not present, set proto to the intrinsic object %ArrayPrototype%.
+	// 5. Let A be a newly created Array exotic object.
+	var A = [];
+	// 6. Set A's essential internal methods except for [[DefineOwnProperty]] to the default ordinary object definitions specified in 9.1.
+	// 7. Set A.[[DefineOwnProperty]] as specified in 9.4.2.1.
+	// 8. Set A.[[Prototype]] to proto.
+	// 9. Set A.[[Extensible]] to true.
+	// 10. Perform ! OrdinaryDefineOwnProperty(A, "length", PropertyDescriptor{[[Value]]: length, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false}).
+	A.length = length;
+	// 11. Return A.
+	return A;
 }
 
+// _ESAbstract.Call
+/* global IsCallable */
+// 7.3.12. Call ( F, V [ , argumentsList ] )
+function Call(F, V /* [, argumentsList] */) { // eslint-disable-line no-unused-vars
+	// 1. If argumentsList is not present, set argumentsList to a new empty List.
+	var argumentsList = arguments.length > 2 ? arguments[2] : [];
+	// 2. If IsCallable(F) is false, throw a TypeError exception.
+	if (IsCallable(F) === false) {
+		throw new TypeError(Object.prototype.toString.call(F) + 'is not a function.');
+	}
+	// 3. Return ? F.[[Call]](V, argumentsList).
+	return F.apply(V, argumentsList);
+}
 
-// _ESAbstract.CreateMethodProperty
-// 7.3.5. CreateMethodProperty ( O, P, V )
-function CreateMethodProperty(O, P, V) { // eslint-disable-line no-unused-vars
+// _ESAbstract.Get
+// 7.3.1. Get ( O, P )
+function Get(O, P) { // eslint-disable-line no-unused-vars
 	// 1. Assert: Type(O) is Object.
 	// 2. Assert: IsPropertyKey(P) is true.
-	// 3. Let newDesc be the PropertyDescriptor{[[Value]]: V, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true}.
-	var newDesc = {
-		value: V,
-		writable: true,
-		enumerable: false,
-		configurable: true
-	};
-	// 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
-	Object.defineProperty(O, P, newDesc);
+	// 3. Return ? O.[[Get]](P, O).
+	return O[P];
+}
+
+// _ESAbstract.HasProperty
+// 7.3.10. HasProperty ( O, P )
+function HasProperty(O, P) { // eslint-disable-line no-unused-vars
+	// Assert: Type(O) is Object.
+	// Assert: IsPropertyKey(P) is true.
+	// Return ? O.[[HasProperty]](P).
+	return P in O;
 }
 
 // _ESAbstract.IsArray
@@ -164,21 +124,20 @@ function IsArray(argument) { // eslint-disable-line no-unused-vars
 	// Polyfill.io - We can skip all the above steps and check the string returned from Object.prototype.toString().
 	return Object.prototype.toString.call(argument) === '[object Array]';
 }
-if (!('isArray' in Array)) {
 
-// Array.isArray
-/* global CreateMethodProperty, IsArray */
-// 22.1.2.2. Array.isArray ( arg )
-CreateMethodProperty(Array, 'isArray', function isArray(arg) {
-	// 1. Return ? IsArray(arg).
-	return IsArray(arg);
-});
+// _ESAbstract.IsCallable
+// 7.2.3. IsCallable ( argument )
+function IsCallable(argument) { // eslint-disable-line no-unused-vars
+	// 1. If Type(argument) is not Object, return false.
+	// 2. If argument has a [[Call]] internal method, return true.
+	// 3. Return false.
 
+	// Polyfill.io - Only function objects have a [[Call]] internal method. This means we can simplify this function to check that the argument has a type of function.
+	return typeof argument === 'function';
 }
 
-
-// _ESAbstract.ToObject
-// 7.1.13 ToObject ( argument )
+// _ESAbstract.RequireObjectCoercible
+// 7.2.1. RequireObjectCoercible ( argument )
 // The abstract operation ToObject converts argument to a value of type Object according to Table 12:
 // Table 12: ToObject Conversions
 /*
@@ -187,18 +146,38 @@ CreateMethodProperty(Array, 'isArray', function isArray(arg) {
 |----------------------------------------------------------------------------------------------------------------------------------------------------|
 | Undefined     | Throw a TypeError exception.                                                                                                       |
 | Null          | Throw a TypeError exception.                                                                                                       |
-| Boolean       | Return a new Boolean object whose [[BooleanData]] internal slot is set to argument. See 19.3 for a description of Boolean objects. |
-| Number        | Return a new Number object whose [[NumberData]] internal slot is set to argument. See 20.1 for a description of Number objects.    |
-| String        | Return a new String object whose [[StringData]] internal slot is set to argument. See 21.1 for a description of String objects.    |
-| Symbol        | Return a new Symbol object whose [[SymbolData]] internal slot is set to argument. See 19.4 for a description of Symbol objects.    |
+| Boolean       | Return argument.                                                                                                                   |
+| Number        | Return argument.                                                                                                                   |
+| String        | Return argument.                                                                                                                   |
+| Symbol        | Return argument.                                                                                                                   |
 | Object        | Return argument.                                                                                                                   |
 |----------------------------------------------------------------------------------------------------------------------------------------------------|
 */
-function ToObject(argument) { // eslint-disable-line no-unused-vars
+function RequireObjectCoercible(argument) { // eslint-disable-line no-unused-vars
 	if (argument === null || argument === undefined) {
 		throw TypeError();
 	}
-  return Object(argument);
+  return argument;
+}
+
+// _ESAbstract.ToBoolean
+// 7.1.2. ToBoolean ( argument )
+// The abstract operation ToBoolean converts argument to a value of type Boolean according to Table 9:
+/*
+--------------------------------------------------------------------------------------------------------------
+| Argument Type | Result                                                                                     |
+--------------------------------------------------------------------------------------------------------------
+| Undefined     | Return false.                                                                              |
+| Null          | Return false.                                                                              |
+| Boolean       | Return argument.                                                                           |
+| Number        | If argument is +0, -0, or NaN, return false; otherwise return true.                        |
+| String        | If argument is the empty String (its length is zero), return false; otherwise return true. |
+| Symbol        | Return true.                                                                               |
+| Object        | Return true.                                                                               |
+--------------------------------------------------------------------------------------------------------------
+*/
+function ToBoolean(argument) { // eslint-disable-line no-unused-vars
+	return Boolean(argument);
 }
 
 // _ESAbstract.ToInteger
@@ -232,38 +211,28 @@ function ToLength(argument) { // eslint-disable-line no-unused-vars
 	return Math.min(len, Math.pow(2, 53) -1);
 }
 
-// _ESAbstract.Get
-// 7.3.1. Get ( O, P )
-function Get(O, P) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(O) is Object.
-	// 2. Assert: IsPropertyKey(P) is true.
-	// 3. Return ? O.[[Get]](P, O).
-	return O[P];
-}
-
-// _ESAbstract.IsCallable
-// 7.2.3. IsCallable ( argument )
-function IsCallable(argument) { // eslint-disable-line no-unused-vars
-	// 1. If Type(argument) is not Object, return false.
-	// 2. If argument has a [[Call]] internal method, return true.
-	// 3. Return false.
-
-	// Polyfill.io - Only function objects have a [[Call]] internal method. This means we can simplify this function to check that the argument has a type of function.
-	return typeof argument === 'function';
-}
-
-// _ESAbstract.Call
-/* global IsCallable */
-// 7.3.12. Call ( F, V [ , argumentsList ] )
-function Call(F, V /* [, argumentsList] */) { // eslint-disable-line no-unused-vars
-	// 1. If argumentsList is not present, set argumentsList to a new empty List.
-	var argumentsList = arguments.length > 2 ? arguments[2] : [];
-	// 2. If IsCallable(F) is false, throw a TypeError exception.
-	if (IsCallable(F) === false) {
-		throw new TypeError(Object.prototype.toString.call(F) + 'is not a function.');
+// _ESAbstract.ToObject
+// 7.1.13 ToObject ( argument )
+// The abstract operation ToObject converts argument to a value of type Object according to Table 12:
+// Table 12: ToObject Conversions
+/*
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+| Argument Type | Result                                                                                                                             |
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+| Undefined     | Throw a TypeError exception.                                                                                                       |
+| Null          | Throw a TypeError exception.                                                                                                       |
+| Boolean       | Return a new Boolean object whose [[BooleanData]] internal slot is set to argument. See 19.3 for a description of Boolean objects. |
+| Number        | Return a new Number object whose [[NumberData]] internal slot is set to argument. See 20.1 for a description of Number objects.    |
+| String        | Return a new String object whose [[StringData]] internal slot is set to argument. See 21.1 for a description of String objects.    |
+| Symbol        | Return a new Symbol object whose [[SymbolData]] internal slot is set to argument. See 19.4 for a description of Symbol objects.    |
+| Object        | Return argument.                                                                                                                   |
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+*/
+function ToObject(argument) { // eslint-disable-line no-unused-vars
+	if (argument === null || argument === undefined) {
+		throw TypeError();
 	}
-	// 3. Return ? F.[[Call]](V, argumentsList).
-	return F.apply(V, argumentsList);
+  return Object(argument);
 }
 
 // _ESAbstract.GetV
@@ -319,6 +288,42 @@ function Type(x) { // eslint-disable-line no-unused-vars
 	}
 }
 
+// _ESAbstract.GetPrototypeFromConstructor
+/* global Get, Type */
+// 9.1.14. GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
+function GetPrototypeFromConstructor(constructor, intrinsicDefaultProto) { // eslint-disable-line no-unused-vars
+	// 1. Assert: intrinsicDefaultProto is a String value that is this specification's name of an intrinsic object. The corresponding object must be an intrinsic that is intended to be used as the [[Prototype]] value of an object.
+	// 2. Assert: IsCallable(constructor) is true.
+	// 3. Let proto be ? Get(constructor, "prototype").
+	var proto = Get(constructor, "prototype");
+	// 4. If Type(proto) is not Object, then
+	if (Type(proto) !== 'object') {
+		// a. Let realm be ? GetFunctionRealm(constructor).
+		// b. Set proto to realm's intrinsic object named intrinsicDefaultProto.
+		proto = intrinsicDefaultProto;
+	}
+	// 5. Return proto.
+	return proto;
+}
+
+// _ESAbstract.IsConstructor
+/* global Type */
+// 7.2.4. IsConstructor ( argument )
+function IsConstructor(argument) { // eslint-disable-line no-unused-vars
+	// 1. If Type(argument) is not Object, return false.
+	if (Type(argument) !== 'object') {
+		return false;
+	}
+	// 2. If argument has a [[Construct]] internal method, return true.
+	// 3. Return false.
+
+	// Polyfill.io - `new argument` is the only way  to truly test if a function is a constructor.
+	// We choose to not use`new argument` because the argument could have side effects when called.
+	// Instead we check to see if the argument is a function and if it has a prototype.
+	// Arrow functions do not have a [[Construct]] internal method, nor do they have a prototype.
+	return typeof argument === 'function' && !!argument.prototype;
+}
+
 // _ESAbstract.OrdinaryToPrimitive
 /* global Get, IsCallable, Call, Type */
 // 7.1.1.1. OrdinaryToPrimitive ( O, hint )
@@ -434,36 +439,186 @@ function ToString(argument) { // eslint-disable-line no-unused-vars
 			return String(argument);
 	}
 }
+if (!("Date"in this&&"now"in this.Date&&"getTime"in this.Date.prototype
+)) {
+
+// Date.now
+Date.now = function now() {
+	return new Date().getTime();
+};
 
-// _ESAbstract.HasProperty
-// 7.3.10. HasProperty ( O, P )
-function HasProperty(O, P) { // eslint-disable-line no-unused-vars
-	// Assert: Type(O) is Object.
-	// Assert: IsPropertyKey(P) is true.
-	// Return ? O.[[HasProperty]](P).
-	return P in O;
 }
 
-// _ESAbstract.ToBoolean
-// 7.1.2. ToBoolean ( argument )
-// The abstract operation ToBoolean converts argument to a value of type Boolean according to Table 9:
-/*
---------------------------------------------------------------------------------------------------------------
-| Argument Type | Result                                                                                     |
---------------------------------------------------------------------------------------------------------------
-| Undefined     | Return false.                                                                              |
-| Null          | Return false.                                                                              |
-| Boolean       | Return argument.                                                                           |
-| Number        | If argument is +0, -0, or NaN, return false; otherwise return true.                        |
-| String        | If argument is the empty String (its length is zero), return false; otherwise return true. |
-| Symbol        | Return true.                                                                               |
-| Object        | Return true.                                                                               |
---------------------------------------------------------------------------------------------------------------
-*/
-function ToBoolean(argument) { // eslint-disable-line no-unused-vars
-	return Boolean(argument);
+if (!("Date"in this&&"toISOString"in Date.prototype
+)) {
+
+// Date.prototype.toISOString
+Date.prototype.toISOString = function toISOString() {
+	var date = this;
+
+	function pad(str, len) {
+		var pad = "0000";
+		str = '' + str;
+		return pad.substr(0, len - str.length) + str;
+	}
+
+	var y = date.getUTCFullYear(),
+	m = pad(date.getUTCMonth() + 1, 2),
+	d = pad(date.getUTCDate(), 2),
+	h = pad(date.getUTCHours(), 2),
+	i = pad(date.getUTCMinutes(), 2),
+	s = pad(date.getUTCSeconds(), 2),
+	ms = pad(date.getUTCMilliseconds(), 3);
+
+	return y +'-'+ m +'-'+ d + 'T' + h +':'+ i +':'+ s +'.'+ ms +'Z';
+};
+
 }
-if (!('every' in Array.prototype)) {
+
+if (!("defineProperty"in Object&&function(){try{var e={}
+return Object.defineProperty(e,"test",{value:42}),!0}catch(t){return!1}}()
+)) {
+
+// Object.defineProperty
+(function (nativeDefineProperty) {
+
+	var supportsAccessors = Object.prototype.hasOwnProperty('__defineGetter__');
+	var ERR_ACCESSORS_NOT_SUPPORTED = 'Getters & setters cannot be defined on this javascript engine';
+	var ERR_VALUE_ACCESSORS = 'A property cannot both have accessors and be writable or have a value';
+
+	// Polyfill.io - This does not use CreateMethodProperty because our CreateMethodProperty function uses Object.defineProperty.
+	Object['defineProperty'] = function defineProperty(object, property, descriptor) {
+
+		// Where native support exists, assume it
+		if (nativeDefineProperty && (object === window || object === document || object === Element.prototype || object instanceof Element)) {
+			return nativeDefineProperty(object, property, descriptor);
+		}
+
+		if (object === null || !(object instanceof Object || typeof object === 'object')) {
+			throw new TypeError('Object.defineProperty called on non-object');
+		}
+
+		if (!(descriptor instanceof Object)) {
+			throw new TypeError('Property description must be an object');
+		}
+
+		var propertyString = String(property);
+		var hasValueOrWritable = 'value' in descriptor || 'writable' in descriptor;
+		var getterType = 'get' in descriptor && typeof descriptor.get;
+		var setterType = 'set' in descriptor && typeof descriptor.set;
+
+		// handle descriptor.get
+		if (getterType) {
+			if (getterType !== 'function') {
+				throw new TypeError('Getter must be a function');
+			}
+			if (!supportsAccessors) {
+				throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
+			}
+			if (hasValueOrWritable) {
+				throw new TypeError(ERR_VALUE_ACCESSORS);
+			}
+			Object.__defineGetter__.call(object, propertyString, descriptor.get);
+		} else {
+			object[propertyString] = descriptor.value;
+		}
+
+		// handle descriptor.set
+		if (setterType) {
+			if (setterType !== 'function') {
+				throw new TypeError('Setter must be a function');
+			}
+			if (!supportsAccessors) {
+				throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
+			}
+			if (hasValueOrWritable) {
+				throw new TypeError(ERR_VALUE_ACCESSORS);
+			}
+			Object.__defineSetter__.call(object, propertyString, descriptor.set);
+		}
+
+		// OK to define value unconditionally - if a getter has been specified as well, an error would be thrown above
+		if ('value' in descriptor) {
+			object[propertyString] = descriptor.value;
+		}
+
+		return object;
+	};
+}(Object.defineProperty));
+
+}
+
+
+// _ESAbstract.CreateDataProperty
+// 7.3.4. CreateDataProperty ( O, P, V )
+// NOTE
+// This abstract operation creates a property whose attributes are set to the same defaults used for properties created by the ECMAScript language assignment operator.
+// Normally, the property will not already exist. If it does exist and is not configurable or if O is not extensible, [[DefineOwnProperty]] will return false.
+function CreateDataProperty(O, P, V) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(O) is Object.
+	// 2. Assert: IsPropertyKey(P) is true.
+	// 3. Let newDesc be the PropertyDescriptor{ [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true, [[Configurable]]: true }.
+	var newDesc = {
+		value: V,
+		writable: true,
+		enumerable: true,
+		configurable: true
+	};
+	// 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
+	try {
+		Object.defineProperty(O, P, newDesc);
+		return true;
+	} catch (e) {
+		return false;
+	}
+}
+
+// _ESAbstract.CreateDataPropertyOrThrow
+/* global CreateDataProperty */
+// 7.3.6. CreateDataPropertyOrThrow ( O, P, V )
+function CreateDataPropertyOrThrow(O, P, V) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(O) is Object.
+	// 2. Assert: IsPropertyKey(P) is true.
+	// 3. Let success be ? CreateDataProperty(O, P, V).
+	var success = CreateDataProperty(O, P, V);
+	// 4. If success is false, throw a TypeError exception.
+	if (!success) {
+		throw new TypeError('Cannot assign value `' + Object.prototype.toString.call(V) + '` to property `' + Object.prototype.toString.call(P) + '` on object `' + Object.prototype.toString.call(O) + '`');
+	}
+	// 5. Return success.
+	return success;
+}
+
+// _ESAbstract.CreateMethodProperty
+// 7.3.5. CreateMethodProperty ( O, P, V )
+function CreateMethodProperty(O, P, V) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(O) is Object.
+	// 2. Assert: IsPropertyKey(P) is true.
+	// 3. Let newDesc be the PropertyDescriptor{[[Value]]: V, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true}.
+	var newDesc = {
+		value: V,
+		writable: true,
+		enumerable: false,
+		configurable: true
+	};
+	// 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
+	Object.defineProperty(O, P, newDesc);
+}
+if (!("isArray"in Array
+)) {
+
+// Array.isArray
+/* global CreateMethodProperty, IsArray */
+// 22.1.2.2. Array.isArray ( arg )
+CreateMethodProperty(Array, 'isArray', function isArray(arg) {
+	// 1. Return ? IsArray(arg).
+	return IsArray(arg);
+});
+
+}
+
+if (!("every"in Array.prototype
+)) {
 
 // Array.prototype.every
 /* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToBoolean, ToLength, ToObject, ToString */
@@ -507,215 +662,357 @@ CreateMethodProperty(Array.prototype, 'every', function every(callbackfn /* [ ,
 
 }
 
+if (!("forEach"in Array.prototype
+)) {
 
-// _ESAbstract.ArrayCreate
-// 9.4.2.2. ArrayCreate ( length [ , proto ] )
-function ArrayCreate(length /* [, proto] */) { // eslint-disable-line no-unused-vars
-	// 1. Assert: length is an integer Number ≥ 0.
-	// 2. If length is -0, set length to +0.
-	if (1 / length === -Infinity) {
-		length = 0;
+// Array.prototype.forEach
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
+// 22.1.3.10. Array.prototype.forEach ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'forEach', function forEach(callbackfn /* [ , thisArg ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
+	// We will use arrayLike in place of O when we are iterating through the list.
+	var arraylike = O instanceof String ? O.split('') : O;
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+	if (IsCallable(callbackfn) === false) {
+		throw new TypeError(callbackfn + ' is not a function');
 	}
-	// 3. If length>2^32-1, throw a RangeError exception.
-	if (length > (Math.pow(2, 32) - 1)) {
-		throw new RangeError('Invalid array length');
+	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
+	var T = arguments.length > 1 ? arguments[1] : undefined;
+	// 5. Let k be 0.
+	var k = 0;
+	// 6. Repeat, while k < len
+	while (k < len) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Let kPresent be ? HasProperty(O, Pk).
+		var kPresent = HasProperty(arraylike, Pk);
+		// c. If kPresent is true, then
+		if (kPresent) {
+			// i. Let kValue be ? Get(O, Pk).
+			var kValue = Get(arraylike, Pk);
+			// ii. Perform ? Call(callbackfn, T, « kValue, k, O »).
+			Call(callbackfn, T, [kValue, k, O]);
+		}
+		// d. Increase k by 1.
+		k = k + 1;
 	}
-	// 4. If proto is not present, set proto to the intrinsic object %ArrayPrototype%.
-	// 5. Let A be a newly created Array exotic object.
-	var A = [];
-	// 6. Set A's essential internal methods except for [[DefineOwnProperty]] to the default ordinary object definitions specified in 9.1.
-	// 7. Set A.[[DefineOwnProperty]] as specified in 9.4.2.1.
-	// 8. Set A.[[Prototype]] to proto.
-	// 9. Set A.[[Extensible]] to true.
-	// 10. Perform ! OrdinaryDefineOwnProperty(A, "length", PropertyDescriptor{[[Value]]: length, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false}).
-	A.length = length;
-	// 11. Return A.
-	return A;
+	// 7. Return undefined.
+	return undefined;
+});
+
 }
 
-// _ESAbstract.IsConstructor
-/* global Type */
-// 7.2.4. IsConstructor ( argument )
-function IsConstructor(argument) { // eslint-disable-line no-unused-vars
-	// 1. If Type(argument) is not Object, return false.
-	if (Type(argument) !== 'object') {
-		return false;
-	}
-	// 2. If argument has a [[Construct]] internal method, return true.
-	// 3. Return false.
+if (!("indexOf"in Array.prototype
+)) {
+
+// Array.prototype.indexOf
+/* global CreateMethodProperty, Get, HasProperty, ToInteger, ToLength, ToObject, ToString */
+// 22.1.3.12. Array.prototype.indexOf ( searchElement [ , fromIndex ] )
+CreateMethodProperty(Array.prototype, 'indexOf', function indexOf(searchElement /* [ , fromIndex ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. If len is 0, return -1.
+	if (len === 0) {
+		return -1;
+	}
+	// 4. Let n be ? ToInteger(fromIndex). (If fromIndex is undefined, this step produces the value 0.)
+	var n = ToInteger(arguments[1]);
+	// 5. If n ≥ len, return -1.
+	if (n >= len) {
+		return -1;
+	}
+	// 6. If n ≥ 0, then
+	if (n >= 0) {
+		// a. If n is -0, let k be +0; else let k be n.
+		var k = n === -0 ? 0 : n;
+		// 7. Else n < 0,
+	} else {
+		// a. Let k be len + n.
+		var k = len + n;
+		// b. If k < 0, let k be 0.
+		if (k < 0) {
+			k = 0;
+		}
+	}
+	// 8. Repeat, while k < len
+	while (k < len) {
+		// a. Let kPresent be ? HasProperty(O, ! ToString(k)).
+		var kPresent = HasProperty(O, ToString(k));
+		// b. If kPresent is true, then
+		if (kPresent) {
+			// i. Let elementK be ? Get(O, ! ToString(k)).
+			var elementK = Get(O, ToString(k));
+			// ii. Let same be the result of performing Strict Equality Comparison searchElement === elementK.
+			var same = searchElement === elementK;
+			// iii. If same is true, return k.
+			if (same) {
+				return k;
+			}
+		}
+		// c. Increase k by 1.
+		k = k + 1;
+	}
+	// 9. Return -1.
+	return -1;
+});
 
-	// Polyfill.io - `new argument` is the only way  to truly test if a function is a constructor.
-	// We choose to not use`new argument` because the argument could have side effects when called.
-	// Instead we check to see if the argument is a function and if it has a prototype.
-	// Arrow functions do not have a [[Construct]] internal method, nor do they have a prototype.
-	return typeof argument === 'function' && !!argument.prototype;
 }
 
-// _ESAbstract.GetPrototypeFromConstructor
-/* global Get, Type */
-// 9.1.14. GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
-function GetPrototypeFromConstructor(constructor, intrinsicDefaultProto) { // eslint-disable-line no-unused-vars
-	// 1. Assert: intrinsicDefaultProto is a String value that is this specification's name of an intrinsic object. The corresponding object must be an intrinsic that is intended to be used as the [[Prototype]] value of an object.
-	// 2. Assert: IsCallable(constructor) is true.
-	// 3. Let proto be ? Get(constructor, "prototype").
-	var proto = Get(constructor, "prototype");
-	// 4. If Type(proto) is not Object, then
-	if (Type(proto) !== 'object') {
-		// a. Let realm be ? GetFunctionRealm(constructor).
-		// b. Set proto to realm's intrinsic object named intrinsicDefaultProto.
-		proto = intrinsicDefaultProto;
+if (!("lastIndexOf"in Array.prototype
+)) {
+
+// Array.prototype.lastIndexOf
+/* global CreateMethodProperty, Get, HasProperty, ToInteger, ToLength, ToObject, ToString */
+// 22.1.3.15. Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
+CreateMethodProperty(Array.prototype, 'lastIndexOf', function lastIndexOf(searchElement /* [ , fromIndex ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. If len is 0, return -1.
+	if (len === 0) {
+		return -1;
 	}
-	// 5. Return proto.
-	return proto;
+	// 4. If fromIndex is present, let n be ? ToInteger(fromIndex); else let n be len-1.
+	var n = arguments.length > 1 ? ToInteger(arguments[1]) : len - 1;
+	// 5. If n ≥ 0, then
+	if (n >= 0) {
+		// a. If n is -0, let k be +0; else let k be min(n, len - 1).
+		var k = n === -0 ? 0 : Math.min(n, len - 1);
+		// 6. Else n < 0,
+	} else {
+		// a. Let k be len + n.
+		k = len + n;
+	}
+	// 7. Repeat, while k ≥ 0
+	while (k >= 0) {
+		// a. Let kPresent be ? HasProperty(O, ! ToString(k)).
+		var kPresent = HasProperty(O, ToString(k));
+		// b. If kPresent is true, then
+		if (kPresent) {
+			// i. Let elementK be ? Get(O, ! ToString(k)).
+			var elementK = Get(O, ToString(k));
+			// ii. Let same be the result of performing Strict Equality Comparison searchElement === elementK.
+			var same = searchElement === elementK;
+			// iii. If same is true, return k.
+			if (same) {
+				return k;
+			}
+		}
+		// c. Decrease k by 1.
+		k = k - 1;
+	}
+	// 9. Return -1.
+	return -1;
+});
+
 }
-if (!('keys' in Object && (function () {
-	// Safari 5.0 bug where Object.keys doesn't work with arguments
-	return (Object.keys(arguments)).length === 2;
-}(1, 2)) && (function () {
-	try {
-		// In ES6 Object.keys works on all object except `null` and `undefined`.
-		Object.keys('');
-		return true;
-	} catch (e) {
-		return false;
+
+if (!("reduce"in Array.prototype
+)) {
+
+// Array.prototype.reduce
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
+// 22.1.3.19. Array.prototype.reduce ( callbackfn [ , initialValue ] )
+CreateMethodProperty(Array.prototype, 'reduce', function reduce(callbackfn /* [ , initialValue ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
+	// We will use arrayLike in place of O when we are iterating through the list.
+	var arraylike = O instanceof String ? O.split('') : O;
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(arraylike, "length"));
+	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+	if (IsCallable(callbackfn) === false) {
+		throw new TypeError(callbackfn + ' is not a function');
 	}
-}()))) {
+	// 4. If len is 0 and initialValue is not present, throw a TypeError exception.
+	var initialValue = arguments.length > 1 ? arguments[1] : undefined;
+	if (len === 0 && arguments.length < 2) {
+		throw new TypeError('Reduce of empty array with no initial value');
+	}
+	// 5. Let k be 0.
+	var k = 0;
+	// 6. Let accumulator be undefined.
+	var accumulator = undefined;
+	// 7. If initialValue is present, then
+	if (arguments.length > 1) {
+		// a. Set accumulator to initialValue.
+		accumulator = initialValue;
+		// 8. Else initialValue is not present,
+	} else {
+		// a. Let kPresent be false.
+		var kPresent = false;
+		// b. Repeat, while kPresent is false and k < len
+		while (kPresent === false && k < len) {
+			// i. Let Pk be ! ToString(k).
+			var Pk = ToString(k);
+			// ii. Let kPresent be ? HasProperty(O, Pk).
+			var kPresent = HasProperty(arraylike, Pk);
+			// iii. If kPresent is true, then
+			if (kPresent) {
+				// 1. Set accumulator to ? Get(O, Pk).
+				var accumulator = Get(arraylike, Pk);
+			}
+			// iv. Increase k by 1.
+			k = k + 1;
+		}
+		// c. If kPresent is false, throw a TypeError exception.
+		if (kPresent === false) {
+			throw new TypeError('Reduce of empty array with no initial value');
+		}
+	}
+	// 9. Repeat, while k < len
+	while (k < len) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Let kPresent be ? HasProperty(O, Pk).
+		var kPresent = HasProperty(arraylike, Pk);
+		// c. If kPresent is true, then
+		if (kPresent) {
+			// i. Let kValue be ? Get(O, Pk).
+			var kValue = Get(arraylike, Pk);
+			// ii. Set accumulator to ? Call(callbackfn, undefined, « accumulator, kValue, k, O »).
+			accumulator = Call(callbackfn, undefined, [accumulator, kValue, k, O]);
+		}
+		// d. Increase k by 1.
+		k = k + 1;
+	}
+	// 10. Return accumulator.
+	return accumulator;
+});
 
-// Object.keys
-Object.keys = (function() {
-	'use strict';
+}
 
-	// modified from https://github.com/es-shims/object-keys
+if (!("reduceRight"in Array.prototype
+)) {
 
-	var has = Object.prototype.hasOwnProperty;
-	var toStr = Object.prototype.toString;
-	var isEnumerable = Object.prototype.propertyIsEnumerable;
-	var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');
-	var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');
-	var dontEnums = [
-		'toString',
-		'toLocaleString',
-		'valueOf',
-		'hasOwnProperty',
-		'isPrototypeOf',
-		'propertyIsEnumerable',
-		'constructor'
-	];
-	var equalsConstructorPrototype = function (o) {
-		var ctor = o.constructor;
-		return ctor && ctor.prototype === o;
-	};
-	var excludedKeys = {
-		$console: true,
-		$external: true,
-		$frame: true,
-		$frameElement: true,
-		$frames: true,
-		$innerHeight: true,
-		$innerWidth: true,
-		$outerHeight: true,
-		$outerWidth: true,
-		$pageXOffset: true,
-		$pageYOffset: true,
-		$parent: true,
-		$scrollLeft: true,
-		$scrollTop: true,
-		$scrollX: true,
-		$scrollY: true,
-		$self: true,
-		$webkitIndexedDB: true,
-		$webkitStorageInfo: true,
-		$window: true
-	};
-	var hasAutomationEqualityBug = (function () {
-		/* global window */
-		if (typeof window === 'undefined') { return false; }
-		for (var k in window) {
-			try {
-				if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {
-					try {
-						equalsConstructorPrototype(window[k]);
-					} catch (e) {
-						return true;
-					}
-				}
-			} catch (e) {
+// Array.prototype.reduceRight
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
+// 22.1.3.20. Array.prototype.reduceRight ( callbackfn [ , initialValue ] )
+CreateMethodProperty(Array.prototype, 'reduceRight', function reduceRight(callbackfn /* [ , initialValue ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
+	// We will use arrayLike in place of O when we are iterating through the list.
+	var arraylike = O instanceof String ? O.split('') : O;
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(arraylike, "length"));
+	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+	if (IsCallable(callbackfn) === false) {
+		throw new TypeError(callbackfn + ' is not a function');
+	}
+	// 4. If len is 0 and initialValue is not present, throw a TypeError exception.
+	var initialValue = arguments.length > 1 ? arguments[1] : undefined;
+	if (len === 0 && arguments.length < 2) {
+		throw new TypeError('Reduce of empty array with no initial value');
+	}
+	// 5. Let k be len-1.
+	var k = len - 1;
+	// 6. Let accumulator be undefined.
+	var accumulator = undefined;
+	// 7. If initialValue is present, then
+	if (arguments.length > 1) {
+		// a. Set accumulator to initialValue.
+		accumulator = initialValue;
+		// 8.Else initialValue is not present,
+	} else {
+		// a. Let kPresent be false.
+		var kPresent = false;
+		// b. Repeat, while kPresent is false and k ≥ 0
+		while (kPresent === false && k >= 0) {
+			// i. Let Pk be ! ToString(k).
+			var Pk = ToString(k);
+			// ii. Let kPresent be ? HasProperty(O, Pk).
+			var kPresent = HasProperty(arraylike, Pk);
+			// iii. If kPresent is true, then
+			if (kPresent) {
+				// 1. Set accumulator to ? Get(O, Pk).
+				accumulator = Get(arraylike, Pk);
+			}
+			// iv. Decrease k by 1.
+			k = k - 1;
+		}
+		// c. If kPresent is false, throw a TypeError exception.
+		if (kPresent === false) {
+			throw new TypeError('Reduce of empty array with no initial value');
+		}
+	}
+	// 9. Repeat, while k ≥ 0
+	while (k >= 0) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Let kPresent be ? HasProperty(O, Pk).
+		var kPresent = HasProperty(arraylike, Pk);
+		// c. If kPresent is true, then
+		if (kPresent) {
+			// i. Let kValue be ? Get(O, Pk).
+			var kValue = Get(arraylike, Pk);
+			// ii. Set accumulator to ? Call(callbackfn, undefined, « accumulator, kValue, k, O »).
+			accumulator = Call(callbackfn, undefined, [accumulator, kValue, k, O]);
+		}
+		// d. Decrease k by 1.
+		k = k - 1;
+	}
+	// 10 Return accumulator.
+	return accumulator;
+});
+
+}
+
+if (!("some"in Array.prototype
+)) {
+
+// Array.prototype.some
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToBoolean, ToLength, ToObject, ToString */
+// 22.1.3.24. Array.prototype.some ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'some', function some(callbackfn /* [ , thisArg ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+	if (IsCallable(callbackfn) === false) {
+		throw new TypeError(callbackfn + ' is not a function');
+	}
+	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
+	var T = arguments.length > 1 ? arguments[1] : undefined;
+	// 5. Let k be 0.
+	var k = 0;
+	// 6. Repeat, while k < len
+	while (k < len) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Let kPresent be ? HasProperty(O, Pk).
+		var kPresent = HasProperty(O, Pk);
+		// c. If kPresent is true, then
+		if (kPresent) {
+			// i. Let kValue be ? Get(O, Pk).
+			var kValue = Get(O, Pk);
+			// ii. Let testResult be ToBoolean(? Call(callbackfn, T, « kValue, k, O »)).
+			var testResult = ToBoolean(Call(callbackfn, T, [kValue, k, O]));
+			// iii. If testResult is true, return true.
+			if (testResult) {
 				return true;
 			}
 		}
-		return false;
-	}());
-	var equalsConstructorPrototypeIfNotBuggy = function (o) {
-		/* global window */
-		if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
-			return equalsConstructorPrototype(o);
-		}
-		try {
-			return equalsConstructorPrototype(o);
-		} catch (e) {
-			return false;
-		}
-	};
-
-	function isArgumentsObject(value) {
-		var str = toStr.call(value);
-		var isArgs = str === '[object Arguments]';
-		if (!isArgs) {
-			isArgs = str !== '[object Array]' &&
-				value !== null &&
-				typeof value === 'object' &&
-				typeof value.length === 'number' &&
-				value.length >= 0 &&
-				toStr.call(value.callee) === '[object Function]';
-		}
-		return isArgs;
+		// d. Increase k by 1.
+		k = k + 1;
 	}
-
-	return function keys(object) {
-		var isFunction = toStr.call(object) === '[object Function]';
-		var isArguments = isArgumentsObject(object);
-		var isString = toStr.call(object) === '[object String]';
-		var theKeys = [];
-
-		if (object === undefined || object === null) {
-			throw new TypeError('Cannot convert undefined or null to object');
-		}
-
-		var skipProto = hasProtoEnumBug && isFunction;
-		if (isString && object.length > 0 && !has.call(object, 0)) {
-			for (var i = 0; i < object.length; ++i) {
-				theKeys.push(String(i));
-			}
-		}
-
-		if (isArguments && object.length > 0) {
-			for (var j = 0; j < object.length; ++j) {
-				theKeys.push(String(j));
-			}
-		} else {
-			for (var name in object) {
-				if (!(skipProto && name === 'prototype') && has.call(object, name)) {
-					theKeys.push(String(name));
-				}
-			}
-		}
-
-		if (hasDontEnumBug) {
-			var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
-
-			for (var k = 0; k < dontEnums.length; ++k) {
-				if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {
-					theKeys.push(dontEnums[k]);
-				}
-			}
-		}
-		return theKeys;
-	};
-}());
+	// 7. Return false.
+	return false;
+});
 
 }
 
-if (!('bind' in Function.prototype)) {
+if (!("bind"in Function.prototype
+)) {
 
 // Function.prototype.bind
 /* global CreateMethodProperty, IsCallable */
@@ -866,18 +1163,24 @@ CreateMethodProperty(Function.prototype, 'bind', function bind(that) { // .lengt
 
 }
 
-if (!('getOwnPropertyDescriptor' in Object && typeof Object.getOwnPropertyDescriptor === 'function' && (function() {
-    try {
-    	var object = {};
-        object.test = 0;
-        return Object.getOwnPropertyDescriptor(
-            object,
-            "test"
-        ).value === 0;
-    } catch (exception) {
-        return false
-    }
-}()))) {
+if (!("freeze"in Object
+)) {
+
+// Object.freeze
+/* global CreateMethodProperty */
+// 19.1.2.6. Object.freeze ( O )
+CreateMethodProperty(Object, 'freeze', function freeze(O) {
+	// This feature cannot be implemented fully as a polyfill.
+	// We choose to silently fail which allows "securable" code
+	// to "gracefully" degrade to working but insecure code.
+	return O;
+});
+
+}
+
+if (!("getOwnPropertyDescriptor"in Object&&"function"==typeof Object.getOwnPropertyDescriptor&&function(){try{var t={}
+return t.test=0,0===Object.getOwnPropertyDescriptor(t,"test").value}catch(e){return!1}}()
+)) {
 
 // Object.getOwnPropertyDescriptor
 /* global CreateMethodProperty */
@@ -986,7 +1289,223 @@ if (!('getOwnPropertyDescriptor' in Object && typeof Object.getOwnPropertyDescri
 
 }
 
-if (!('defineProperties' in Object)) {
+if (!("getOwnPropertyNames"in Object
+)) {
+
+// Object.getOwnPropertyNames
+/* global CreateMethodProperty */
+
+var toString = ({}).toString;
+var split = ''.split;
+
+CreateMethodProperty(Object, 'getOwnPropertyNames', function getOwnPropertyNames(object) {
+	var buffer = [];
+	var key;
+
+	// Non-enumerable properties cannot be discovered but can be checked for by name.
+	// Define those used internally by JS to allow an incomplete solution
+	var commonProps = ['length', "name", "arguments", "caller", "prototype", "observe", "unobserve"];
+
+	if (typeof object === 'undefined' || object === null) {
+		throw new TypeError('Cannot convert undefined or null to object');
+	}
+
+	// Polyfill.io fallback for non-array-like strings which exist in some ES3 user-agents (IE 8)
+	object = toString.call(object) == '[object String]' ? split.call(object, '') : Object(object);
+
+	// Enumerable properties only
+	for (key in object) {
+		if (Object.prototype.hasOwnProperty.call(object, key)) {
+			buffer.push(key);
+		}
+	}
+
+	// Check for and add the common non-enumerable properties
+	for (var i=0, s=commonProps.length; i<s; i++) {
+		if (commonProps[i] in object) buffer.push(commonProps[i]);
+	}
+
+	return buffer;
+});
+
+}
+
+if (!("getPrototypeOf"in Object
+)) {
+
+// Object.getPrototypeOf
+/* global CreateMethodProperty */
+// Based on: https://github.com/es-shims/es5-shim/blob/master/es5-sham.js
+
+// https://github.com/es-shims/es5-shim/issues#issue/2
+// http://ejohn.org/blog/objectgetprototypeof/
+// recommended by fschaefer on github
+//
+// sure, and webreflection says ^_^
+// ... this will nerever possibly return null
+// ... Opera Mini breaks here with infinite loops
+CreateMethodProperty(Object, 'getPrototypeOf', function getPrototypeOf(object) {
+	if (object !== Object(object)) {
+		throw new TypeError('Object.getPrototypeOf called on non-object');
+	}
+	var proto = object.__proto__;
+	if (proto || proto === null) {
+		return proto;
+	} else if (typeof object.constructor == 'function' && object instanceof object.constructor) {
+    return object.constructor.prototype;
+  } else if (object instanceof Object) {
+		return Object.prototype;
+	} else {
+		// Correctly return null for Objects created with `Object.create(null)`
+		// (shammed or native) or `{ __proto__: null}`.  Also returns null for
+		// cross-realm objects on browsers that lack `__proto__` support (like
+		// IE <11), but that's the best we can do.
+		return null;
+	}
+});
+
+}
+
+if (!("keys"in Object&&function(){return 2===Object.keys(arguments).length}(1,2)&&function(){try{return Object.keys(""),!0}catch(t){return!1}}()
+)) {
+
+// Object.keys
+/* global CreateMethodProperty */
+CreateMethodProperty(Object, "keys", (function() {
+	'use strict';
+
+	// modified from https://github.com/es-shims/object-keys
+
+	var has = Object.prototype.hasOwnProperty;
+	var toStr = Object.prototype.toString;
+	var isEnumerable = Object.prototype.propertyIsEnumerable;
+	var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');
+	var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');
+	var dontEnums = [
+		'toString',
+		'toLocaleString',
+		'valueOf',
+		'hasOwnProperty',
+		'isPrototypeOf',
+		'propertyIsEnumerable',
+		'constructor'
+	];
+	var equalsConstructorPrototype = function (o) {
+		var ctor = o.constructor;
+		return ctor && ctor.prototype === o;
+	};
+	var excludedKeys = {
+		$console: true,
+		$external: true,
+		$frame: true,
+		$frameElement: true,
+		$frames: true,
+		$innerHeight: true,
+		$innerWidth: true,
+		$outerHeight: true,
+		$outerWidth: true,
+		$pageXOffset: true,
+		$pageYOffset: true,
+		$parent: true,
+		$scrollLeft: true,
+		$scrollTop: true,
+		$scrollX: true,
+		$scrollY: true,
+		$self: true,
+		$webkitIndexedDB: true,
+		$webkitStorageInfo: true,
+		$window: true
+	};
+	var hasAutomationEqualityBug = (function () {
+		/* global window */
+		if (typeof window === 'undefined') { return false; }
+		for (var k in window) {
+			try {
+				if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {
+					try {
+						equalsConstructorPrototype(window[k]);
+					} catch (e) {
+						return true;
+					}
+				}
+			} catch (e) {
+				return true;
+			}
+		}
+		return false;
+	}());
+	var equalsConstructorPrototypeIfNotBuggy = function (o) {
+		/* global window */
+		if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
+			return equalsConstructorPrototype(o);
+		}
+		try {
+			return equalsConstructorPrototype(o);
+		} catch (e) {
+			return false;
+		}
+	};
+
+	function isArgumentsObject(value) {
+		var str = toStr.call(value);
+		var isArgs = str === '[object Arguments]';
+		if (!isArgs) {
+			isArgs = str !== '[object Array]' &&
+				value !== null &&
+				typeof value === 'object' &&
+				typeof value.length === 'number' &&
+				value.length >= 0 &&
+				toStr.call(value.callee) === '[object Function]';
+		}
+		return isArgs;
+	}
+
+	return function keys(object) {
+		var isFunction = toStr.call(object) === '[object Function]';
+		var isArguments = isArgumentsObject(object);
+		var isString = toStr.call(object) === '[object String]';
+		var theKeys = [];
+
+		if (object === undefined || object === null) {
+			throw new TypeError('Cannot convert undefined or null to object');
+		}
+
+		var skipProto = hasProtoEnumBug && isFunction;
+		if (isString && object.length > 0 && !has.call(object, 0)) {
+			for (var i = 0; i < object.length; ++i) {
+				theKeys.push(String(i));
+			}
+		}
+
+		if (isArguments && object.length > 0) {
+			for (var j = 0; j < object.length; ++j) {
+				theKeys.push(String(j));
+			}
+		} else {
+			for (var name in object) {
+				if (!(skipProto && name === 'prototype') && has.call(object, name)) {
+					theKeys.push(String(name));
+				}
+			}
+		}
+
+		if (hasDontEnumBug) {
+			var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
+
+			for (var k = 0; k < dontEnums.length; ++k) {
+				if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {
+					theKeys.push(dontEnums[k]);
+				}
+			}
+		}
+		return theKeys;
+	};
+}()));
+
+}
+
+if (!("defineProperties"in Object
+)) {
 
 // Object.defineProperties
 /* global CreateMethodProperty, Get, ToObject, Type */
@@ -1039,7 +1558,8 @@ CreateMethodProperty(Object, 'defineProperties', function defineProperties(O, Pr
 
 }
 
-if (!('create' in Object)) {
+if (!("create"in Object
+)) {
 
 // Object.create
 /* global CreateMethodProperty, Type */
@@ -1064,41 +1584,6 @@ CreateMethodProperty(Object, 'create', function create(O, properties) {
 
 }
 
-if (!('getPrototypeOf' in Object)) {
-
-// Object.getPrototypeOf
-/* global CreateMethodProperty */
-// Based on: https://github.com/es-shims/es5-shim/blob/master/es5-sham.js
-
-// https://github.com/es-shims/es5-shim/issues#issue/2
-// http://ejohn.org/blog/objectgetprototypeof/
-// recommended by fschaefer on github
-//
-// sure, and webreflection says ^_^
-// ... this will nerever possibly return null
-// ... Opera Mini breaks here with infinite loops
-CreateMethodProperty(Object, 'getPrototypeOf', function getPrototypeOf(object) {
-	if (object !== Object(object)) {
-		throw new TypeError('Object.getPrototypeOf called on non-object');
-	}
-	var proto = object.__proto__;
-	if (proto || proto === null) {
-		return proto;
-	} else if (typeof object.constructor == 'function' && object instanceof object.constructor) {
-    return object.constructor.prototype;
-  } else if (object instanceof Object) {
-		return Object.prototype;
-	} else {
-		// Correctly return null for Objects created with `Object.create(null)`
-		// (shammed or native) or `{ __proto__: null}`.  Also returns null for
-		// cross-realm objects on browsers that lack `__proto__` support (like
-		// IE <11), but that's the best we can do.
-		return null;
-	}
-});
-
-}
-
 
 // _ESAbstract.OrdinaryCreateFromConstructor
 /* global GetPrototypeFromConstructor */
@@ -1207,47 +1692,8 @@ function ArraySpeciesCreate(originalArray, length) { // eslint-disable-line no-u
 	// 10. Return ? Construct(C, « length »).
 	return Construct(C, [length]);
 }
-
-// _ESAbstract.CreateDataProperty
-// 7.3.4. CreateDataProperty ( O, P, V )
-// NOTE
-// This abstract operation creates a property whose attributes are set to the same defaults used for properties created by the ECMAScript language assignment operator.
-// Normally, the property will not already exist. If it does exist and is not configurable or if O is not extensible, [[DefineOwnProperty]] will return false.
-function CreateDataProperty(O, P, V) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(O) is Object.
-	// 2. Assert: IsPropertyKey(P) is true.
-	// 3. Let newDesc be the PropertyDescriptor{ [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true, [[Configurable]]: true }.
-	var newDesc = {
-		value: V,
-		writable: true,
-		enumerable: true,
-		configurable: true
-	};
-	// 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
-	try {
-		Object.defineProperty(O, P, newDesc);
-		return true;
-	} catch (e) {
-		return false;
-	}
-}
-
-// _ESAbstract.CreateDataPropertyOrThrow
-/* global CreateDataProperty */
-// 7.3.6. CreateDataPropertyOrThrow ( O, P, V )
-function CreateDataPropertyOrThrow(O, P, V) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(O) is Object.
-	// 2. Assert: IsPropertyKey(P) is true.
-	// 3. Let success be ? CreateDataProperty(O, P, V).
-	var success = CreateDataProperty(O, P, V);
-	// 4. If success is false, throw a TypeError exception.
-	if (!success) {
-		throw new TypeError('Cannot assign value `' + Object.prototype.toString.call(V) + '` to property `' + Object.prototype.toString.call(P) + '` on object `' + Object.prototype.toString.call(O) + '`');
-	}
-	// 5. Return success.
-	return success;
-}
-if (!('filter' in Array.prototype)) {
+if (!("filter"in Array.prototype
+)) {
 
 // Array.prototype.filter
 /* global CreateMethodProperty, ToObject, ToLength, Get, IsCallable, ArraySpeciesCreate, ToString, HasProperty, ToBoolean, Call, CreateDataPropertyOrThrow */
@@ -1299,156 +1745,8 @@ CreateMethodProperty(Array.prototype, 'filter', function filter(callbackfn /* [
 
 }
 
-if (!('forEach' in Array.prototype)) {
-
-// Array.prototype.forEach
-/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
-// 22.1.3.10. Array.prototype.forEach ( callbackfn [ , thisArg ] )
-CreateMethodProperty(Array.prototype, 'forEach', function forEach(callbackfn /* [ , thisArg ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
-	// We will use arrayLike in place of O when we are iterating through the list.
-	var arraylike = O instanceof String ? O.split('') : O;
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
-	if (IsCallable(callbackfn) === false) {
-		throw new TypeError(callbackfn + ' is not a function');
-	}
-	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
-	var T = arguments.length > 1 ? arguments[1] : undefined;
-	// 5. Let k be 0.
-	var k = 0;
-	// 6. Repeat, while k < len
-	while (k < len) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Let kPresent be ? HasProperty(O, Pk).
-		var kPresent = HasProperty(arraylike, Pk);
-		// c. If kPresent is true, then
-		if (kPresent) {
-			// i. Let kValue be ? Get(O, Pk).
-			var kValue = Get(arraylike, Pk);
-			// ii. Perform ? Call(callbackfn, T, « kValue, k, O »).
-			Call(callbackfn, T, [kValue, k, O]);
-		}
-		// d. Increase k by 1.
-		k = k + 1;
-	}
-	// 7. Return undefined.
-	return undefined;
-});
-
-}
-
-if (!('indexOf' in Array.prototype)) {
-
-// Array.prototype.indexOf
-/* global CreateMethodProperty, Get, HasProperty, ToInteger, ToLength, ToObject, ToString */
-// 22.1.3.12. Array.prototype.indexOf ( searchElement [ , fromIndex ] )
-CreateMethodProperty(Array.prototype, 'indexOf', function indexOf(searchElement /* [ , fromIndex ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. If len is 0, return -1.
-	if (len === 0) {
-		return -1;
-	}
-	// 4. Let n be ? ToInteger(fromIndex). (If fromIndex is undefined, this step produces the value 0.)
-	var n = ToInteger(arguments[1]);
-	// 5. If n ≥ len, return -1.
-	if (n >= len) {
-		return -1;
-	}
-	// 6. If n ≥ 0, then
-	if (n >= 0) {
-		// a. If n is -0, let k be +0; else let k be n.
-		var k = n === -0 ? 0 : n;
-		// 7. Else n < 0,
-	} else {
-		// a. Let k be len + n.
-		var k = len + n;
-		// b. If k < 0, let k be 0.
-		if (k < 0) {
-			k = 0;
-		}
-	}
-	// 8. Repeat, while k < len
-	while (k < len) {
-		// a. Let kPresent be ? HasProperty(O, ! ToString(k)).
-		var kPresent = HasProperty(O, ToString(k));
-		// b. If kPresent is true, then
-		if (kPresent) {
-			// i. Let elementK be ? Get(O, ! ToString(k)).
-			var elementK = Get(O, ToString(k));
-			// ii. Let same be the result of performing Strict Equality Comparison searchElement === elementK.
-			var same = searchElement === elementK;
-			// iii. If same is true, return k.
-			if (same) {
-				return k;
-			}
-		}
-		// c. Increase k by 1.
-		k = k + 1;
-	}
-	// 9. Return -1.
-	return -1;
-});
-
-}
-
-if (!('lastIndexOf' in Array.prototype)) {
-
-// Array.prototype.lastIndexOf
-/* global CreateMethodProperty, Get, HasProperty, ToInteger, ToLength, ToObject, ToString */
-// 22.1.3.15. Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
-CreateMethodProperty(Array.prototype, 'lastIndexOf', function lastIndexOf(searchElement /* [ , fromIndex ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. If len is 0, return -1.
-	if (len === 0) {
-		return -1;
-	}
-	// 4. If fromIndex is present, let n be ? ToInteger(fromIndex); else let n be len-1.
-	var n = arguments.length > 1 ? ToInteger(arguments[1]) : len - 1;
-	// 5. If n ≥ 0, then
-	if (n >= 0) {
-		// a. If n is -0, let k be +0; else let k be min(n, len - 1).
-		var k = n === -0 ? 0 : Math.min(n, len - 1);
-		// 6. Else n < 0,
-	} else {
-		// a. Let k be len + n.
-		k = len + n;
-	}
-	// 7. Repeat, while k ≥ 0
-	while (k >= 0) {
-		// a. Let kPresent be ? HasProperty(O, ! ToString(k)).
-		var kPresent = HasProperty(O, ToString(k));
-		// b. If kPresent is true, then
-		if (kPresent) {
-			// i. Let elementK be ? Get(O, ! ToString(k)).
-			var elementK = Get(O, ToString(k));
-			// ii. Let same be the result of performing Strict Equality Comparison searchElement === elementK.
-			var same = searchElement === elementK;
-			// iii. If same is true, return k.
-			if (same) {
-				return k;
-			}
-		}
-		// c. Decrease k by 1.
-		k = k - 1;
-	}
-	// 9. Return -1.
-	return -1;
-});
-
-}
-
-if (!('map' in Array.prototype)) {
+if (!("map"in Array.prototype
+)) {
 
 // Array.prototype.map
 /* global ArraySpeciesCreate, Call, CreateDataPropertyOrThrow, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
@@ -1493,313 +1791,8 @@ CreateMethodProperty(Array.prototype, 'map', function map(callbackfn /* [ , this
 
 }
 
-if (!('reduce' in Array.prototype)) {
-
-// Array.prototype.reduce
-/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
-// 22.1.3.19. Array.prototype.reduce ( callbackfn [ , initialValue ] )
-CreateMethodProperty(Array.prototype, 'reduce', function reduce(callbackfn /* [ , initialValue ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
-	// We will use arrayLike in place of O when we are iterating through the list.
-	var arraylike = O instanceof String ? O.split('') : O;
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(arraylike, "length"));
-	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
-	if (IsCallable(callbackfn) === false) {
-		throw new TypeError(callbackfn + ' is not a function');
-	}
-	// 4. If len is 0 and initialValue is not present, throw a TypeError exception.
-	var initialValue = arguments.length > 1 ? arguments[1] : undefined;
-	if (len === 0 && arguments.length < 2) {
-		throw new TypeError('Reduce of empty array with no initial value');
-	}
-	// 5. Let k be 0.
-	var k = 0;
-	// 6. Let accumulator be undefined.
-	var accumulator = undefined;
-	// 7. If initialValue is present, then
-	if (arguments.length > 1) {
-		// a. Set accumulator to initialValue.
-		accumulator = initialValue;
-		// 8. Else initialValue is not present,
-	} else {
-		// a. Let kPresent be false.
-		var kPresent = false;
-		// b. Repeat, while kPresent is false and k < len
-		while (kPresent === false && k < len) {
-			// i. Let Pk be ! ToString(k).
-			var Pk = ToString(k);
-			// ii. Let kPresent be ? HasProperty(O, Pk).
-			var kPresent = HasProperty(arraylike, Pk);
-			// iii. If kPresent is true, then
-			if (kPresent) {
-				// 1. Set accumulator to ? Get(O, Pk).
-				var accumulator = Get(arraylike, Pk);
-			}
-			// iv. Increase k by 1.
-			k = k + 1;
-		}
-		// c. If kPresent is false, throw a TypeError exception.
-		if (kPresent === false) {
-			throw new TypeError('Reduce of empty array with no initial value');
-		}
-	}
-	// 9. Repeat, while k < len
-	while (k < len) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Let kPresent be ? HasProperty(O, Pk).
-		var kPresent = HasProperty(arraylike, Pk);
-		// c. If kPresent is true, then
-		if (kPresent) {
-			// i. Let kValue be ? Get(O, Pk).
-			var kValue = Get(arraylike, Pk);
-			// ii. Set accumulator to ? Call(callbackfn, undefined, « accumulator, kValue, k, O »).
-			accumulator = Call(callbackfn, undefined, [accumulator, kValue, k, O]);
-		}
-		// d. Increase k by 1.
-		k = k + 1;
-	}
-	// 10. Return accumulator.
-	return accumulator;
-});
-
-}
-
-if (!('reduceRight' in Array.prototype)) {
-
-// Array.prototype.reduceRight
-/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
-// 22.1.3.20. Array.prototype.reduceRight ( callbackfn [ , initialValue ] )
-CreateMethodProperty(Array.prototype, 'reduceRight', function reduceRight(callbackfn /* [ , initialValue ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
-	// We will use arrayLike in place of O when we are iterating through the list.
-	var arraylike = O instanceof String ? O.split('') : O;
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(arraylike, "length"));
-	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
-	if (IsCallable(callbackfn) === false) {
-		throw new TypeError(callbackfn + ' is not a function');
-	}
-	// 4. If len is 0 and initialValue is not present, throw a TypeError exception.
-	var initialValue = arguments.length > 1 ? arguments[1] : undefined;
-	if (len === 0 && arguments.length < 2) {
-		throw new TypeError('Reduce of empty array with no initial value');
-	}
-	// 5. Let k be len-1.
-	var k = len - 1;
-	// 6. Let accumulator be undefined.
-	var accumulator = undefined;
-	// 7. If initialValue is present, then
-	if (arguments.length > 1) {
-		// a. Set accumulator to initialValue.
-		accumulator = initialValue;
-		// 8.Else initialValue is not present,
-	} else {
-		// a. Let kPresent be false.
-		var kPresent = false;
-		// b. Repeat, while kPresent is false and k ≥ 0
-		while (kPresent === false && k >= 0) {
-			// i. Let Pk be ! ToString(k).
-			var Pk = ToString(k);
-			// ii. Let kPresent be ? HasProperty(O, Pk).
-			var kPresent = HasProperty(arraylike, Pk);
-			// iii. If kPresent is true, then
-			if (kPresent) {
-				// 1. Set accumulator to ? Get(O, Pk).
-				accumulator = Get(arraylike, Pk);
-			}
-			// iv. Decrease k by 1.
-			k = k - 1;
-		}
-		// c. If kPresent is false, throw a TypeError exception.
-		if (kPresent === false) {
-			throw new TypeError('Reduce of empty array with no initial value');
-		}
-	}
-	// 9. Repeat, while k ≥ 0
-	while (k >= 0) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Let kPresent be ? HasProperty(O, Pk).
-		var kPresent = HasProperty(arraylike, Pk);
-		// c. If kPresent is true, then
-		if (kPresent) {
-			// i. Let kValue be ? Get(O, Pk).
-			var kValue = Get(arraylike, Pk);
-			// ii. Set accumulator to ? Call(callbackfn, undefined, « accumulator, kValue, k, O »).
-			accumulator = Call(callbackfn, undefined, [accumulator, kValue, k, O]);
-		}
-		// d. Decrease k by 1.
-		k = k - 1;
-	}
-	// 10 Return accumulator.
-	return accumulator;
-});
-
-}
-
-if (!('some' in Array.prototype)) {
-
-// Array.prototype.some
-/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToBoolean, ToLength, ToObject, ToString */
-// 22.1.3.24. Array.prototype.some ( callbackfn [ , thisArg ] )
-CreateMethodProperty(Array.prototype, 'some', function some(callbackfn /* [ , thisArg ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
-	if (IsCallable(callbackfn) === false) {
-		throw new TypeError(callbackfn + ' is not a function');
-	}
-	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
-	var T = arguments.length > 1 ? arguments[1] : undefined;
-	// 5. Let k be 0.
-	var k = 0;
-	// 6. Repeat, while k < len
-	while (k < len) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Let kPresent be ? HasProperty(O, Pk).
-		var kPresent = HasProperty(O, Pk);
-		// c. If kPresent is true, then
-		if (kPresent) {
-			// i. Let kValue be ? Get(O, Pk).
-			var kValue = Get(O, Pk);
-			// ii. Let testResult be ToBoolean(? Call(callbackfn, T, « kValue, k, O »)).
-			var testResult = ToBoolean(Call(callbackfn, T, [kValue, k, O]));
-			// iii. If testResult is true, return true.
-			if (testResult) {
-				return true;
-			}
-		}
-		// d. Increase k by 1.
-		k = k + 1;
-	}
-	// 7. Return false.
-	return false;
-});
-
-}
-
-if (!('Date' in this && 'now' in this.Date && 'getTime' in this.Date.prototype)) {
-
-// Date.now
-Date.now = function now() {
-	return new Date().getTime();
-};
-
-}
-
-if (!('Date' in this && 'toISOString' in Date.prototype)) {
-
-// Date.prototype.toISOString
-Date.prototype.toISOString = function toISOString() {
-	var date = this;
-
-	function pad(str, len) {
-		var pad = "0000";
-		str = '' + str;
-		return pad.substr(0, len - str.length) + str;
-	}
-
-	var y = date.getUTCFullYear(),
-	m = pad(date.getUTCMonth() + 1, 2),
-	d = pad(date.getUTCDate(), 2),
-	h = pad(date.getUTCHours(), 2),
-	i = pad(date.getUTCMinutes(), 2),
-	s = pad(date.getUTCSeconds(), 2),
-	ms = pad(date.getUTCMilliseconds(), 3);
-
-	return y +'-'+ m +'-'+ d + 'T' + h +':'+ i +':'+ s +'.'+ ms +'Z';
-};
-
-}
-
-if (!('freeze' in Object)) {
-
-// Object.freeze
-/* global CreateMethodProperty */
-// 19.1.2.6. Object.freeze ( O )
-CreateMethodProperty(Object, 'freeze', function freeze(O) {
-	// This feature cannot be implemented fully as a polyfill.
-	// We choose to silently fail which allows "securable" code
-	// to "gracefully" degrade to working but insecure code.
-	return O;
-});
-
-}
-
-if (!('getOwnPropertyNames' in Object)) {
-
-// Object.getOwnPropertyNames
-/* global CreateMethodProperty */
-
-var toString = ({}).toString;
-var split = ''.split;
-
-CreateMethodProperty(Object, 'getOwnPropertyNames', function getOwnPropertyNames(object) {
-	var buffer = [];
-	var key;
-
-	// Non-enumerable properties cannot be discovered but can be checked for by name.
-	// Define those used internally by JS to allow an incomplete solution
-	var commonProps = ['length', "name", "arguments", "caller", "prototype", "observe", "unobserve"];
-
-	if (typeof object === 'undefined' || object === null) {
-		throw new TypeError('Cannot convert undefined or null to object');
-	}
-
-	// Polyfill.io fallback for non-array-like strings which exist in some ES3 user-agents (IE 8)
-	object = toString.call(object) == '[object String]' ? split.call(object, '') : Object(object);
-
-	// Enumerable properties only
-	for (key in object) {
-		if (Object.prototype.hasOwnProperty.call(object, key)) {
-			buffer.push(key);
-		}
-	}
-
-	// Check for and add the common non-enumerable properties
-	for (var i=0, s=commonProps.length; i<s; i++) {
-		if (commonProps[i] in object) buffer.push(commonProps[i]);
-	}
-
-	return buffer;
-});
-
-}
-
-
-// _ESAbstract.RequireObjectCoercible
-// 7.2.1. RequireObjectCoercible ( argument )
-// The abstract operation ToObject converts argument to a value of type Object according to Table 12:
-// Table 12: ToObject Conversions
-/*
-|----------------------------------------------------------------------------------------------------------------------------------------------------|
-| Argument Type | Result                                                                                                                             |
-|----------------------------------------------------------------------------------------------------------------------------------------------------|
-| Undefined     | Throw a TypeError exception.                                                                                                       |
-| Null          | Throw a TypeError exception.                                                                                                       |
-| Boolean       | Return argument.                                                                                                                   |
-| Number        | Return argument.                                                                                                                   |
-| String        | Return argument.                                                                                                                   |
-| Symbol        | Return argument.                                                                                                                   |
-| Object        | Return argument.                                                                                                                   |
-|----------------------------------------------------------------------------------------------------------------------------------------------------|
-*/
-function RequireObjectCoercible(argument) { // eslint-disable-line no-unused-vars
-	if (argument === null || argument === undefined) {
-		throw TypeError();
-	}
-  return argument;
-}
-if (!('trim' in String.prototype)) {
+if (!("trim"in String.prototype
+)) {
 
 // String.prototype.trim
 /* global CreateMethodProperty, RequireObjectCoercible, ToString */
diff --git a/vendor/assets/polyfill/es6.js b/vendor/assets/polyfill/es6.js
index ae2436e1a..d23ba923f 100644
--- a/vendor/assets/polyfill/es6.js
+++ b/vendor/assets/polyfill/es6.js
@@ -1,87 +1,60 @@
-/* Polyfill service v3.27.1
+/* Polyfill service v3.34.0
  * For detailed credits and licence information see https://github.com/financial-times/polyfill-service.
  * 
  * Features requested: es6
  * 
+ * - _ESAbstract.ArrayCreate, License: CC0 (required by "Array.from", "es6", "Array.of", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
+ * - _ESAbstract.Call, License: CC0 (required by "Array.from", "es6", "Array.prototype.find", "Array.prototype.findIndex", "WeakMap", "WeakSet", "_ESAbstract.GetIterator", "Map", "Set", "_ESAbstract.IteratorClose", "_ESAbstract.IteratorNext", "_ESAbstract.IteratorStep", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.of", "Array.prototype.fill", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.OrdinaryToPrimitive")
+ * - _ESAbstract.Get, License: CC0 (required by "Array.from", "es6", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Object.assign", "RegExp.prototype.flags", "WeakMap", "WeakSet", "_ESAbstract.IteratorValue", "Map", "Set", "_ESAbstract.IteratorComplete", "_ESAbstract.IteratorStep", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ESAbstract.IsRegExp", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.startsWith", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.GetPrototypeFromConstructor", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "Object.defineProperties", "Object.create", "_ESAbstract.GetIterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_Iterator", "_StringIterator", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "String.prototype.codePointAt", "String.prototype.repeat")
+ * - _ESAbstract.HasProperty, License: CC0 (required by "Array.prototype.copyWithin", "es6", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map")
+ * - _ESAbstract.IsArray, License: CC0 (required by "String.fromCodePoint", "es6", "WeakMap", "WeakSet", "Array.isArray", "Map", "Array.from", "Set", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
  * - _ESAbstract.IsCallable, License: CC0 (required by "Array.from", "es6", "Array.prototype.find", "Array.prototype.findIndex", "Map", "Set", "WeakMap", "WeakSet", "_ESAbstract.GetMethod", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map", "Function.prototype.bind", "_ESAbstract.Construct", "Array.of", "Object.getOwnPropertyDescriptor", "Object.assign", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.fill", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
- * - Object.defineProperty, License: CC0 (required by "Function.name", "es6", "Map", "Array.from", "Number.Epsilon", "Number.MAX_SAFE_INTEGER", "Number.MIN_SAFE_INTEGER", "Object.setPrototypeOf", "RegExp.prototype.flags", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Symbol", "WeakMap", "WeakSet", "_ESAbstract.CreateMethodProperty", "Array.of", "Array.prototype.copyWithin", "Array.prototype.entries", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.keys", "Array.prototype.values", "Math.acosh", "Math.asinh", "Math.atanh", "Math.cbrt", "Math.clz32", "Math.cosh", "Math.expm1", "Math.fround", "Math.hypot", "Math.imul", "Math.log10", "Math.log1p", "Math.log2", "Math.sign", "Math.sinh", "Math.tanh", "Math.trunc", "Number.isFinite", "Number.isInteger", "Number.isNaN", "Number.isSafeInteger", "Number.parseFloat", "Number.parseInt", "Object.assign", "Object.is", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ArrayIterator", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_StringIterator", "_ESAbstract.CreateDataProperty", "_ESAbstract.CreateDataPropertyOrThrow", "_ESAbstract.CreateIterResultObject", "_Iterator", "Object.defineProperties", "Object.create", "_ESAbstract.GetIterator")
- * - _ESAbstract.CreateMethodProperty, License: CC0 (required by "Array.from", "es6", "Array.of", "Array.prototype.@@iterator", "Array.prototype.copyWithin", "Array.prototype.entries", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.keys", "Array.prototype.values", "Map", "Math.acosh", "Math.asinh", "Math.atanh", "Math.cbrt", "Math.clz32", "Math.cosh", "Math.expm1", "Math.fround", "Math.hypot", "Math.imul", "Math.log10", "Math.log1p", "Math.log2", "Math.sign", "Math.sinh", "Math.tanh", "Math.trunc", "Number.isFinite", "Number.isInteger", "Number.isNaN", "Number.isSafeInteger", "Number.parseFloat", "Number.parseInt", "Object.assign", "Object.is", "Object.setPrototypeOf", "Set", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "WeakMap", "WeakSet", "Array.isArray", "Object.create", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ESAbstract.GetIterator", "_ArrayIterator", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Object.getOwnPropertyDescriptor", "Array.prototype.forEach", "Object.getPrototypeOf", "Object.getOwnPropertyNames", "Array.prototype.filter", "Array.prototype.map", "Object.freeze", "Function.prototype.bind", "Object.defineProperties", "_Iterator", "_StringIterator")
+ * - _ESAbstract.RequireObjectCoercible, License: CC0 (required by "String.prototype.@@iterator", "es6", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
+ * - _ESAbstract.SameValueNonNumber, License: CC0 (required by "_ESAbstract.SameValueZero", "Map", "es6", "Array.from", "Set", "WeakSet", "_ESAbstract.SameValue", "Object.is", "String.fromCodePoint", "WeakMap")
+ * - _ESAbstract.ToBoolean, License: CC0 (required by "Array.prototype.find", "es6", "Array.prototype.findIndex", "RegExp.prototype.flags", "_ESAbstract.IteratorComplete", "Map", "Array.from", "Set", "_ESAbstract.IteratorStep", "WeakMap", "WeakSet", "_ESAbstract.IsRegExp", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.startsWith", "Array.prototype.filter", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
+ * - _ESAbstract.ToInteger, License: CC0 (required by "Array.prototype.copyWithin", "es6", "Array.prototype.fill", "Number.isInteger", "Number.isSafeInteger", "String.fromCodePoint", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.ToLength", "Array.from", "Array.prototype.find", "Array.prototype.findIndex")
+ * - _ESAbstract.ToLength, License: CC0 (required by "Array.from", "es6", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map")
+ * - _ESAbstract.ToNumber, License: CC0 (required by "String.fromCodePoint", "es6")
  * - _ESAbstract.ToObject, License: CC0 (required by "Array.from", "es6", "Array.prototype.entries", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "Object.assign", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.GetV", "_ESAbstract.GetMethod", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "Object.defineProperties", "Object.create", "_ArrayIterator", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator")
  * - _ESAbstract.GetV, License: CC0 (required by "_ESAbstract.GetMethod", "Array.from", "es6", "Map", "Set", "_ESAbstract.GetIterator", "WeakMap", "WeakSet")
  * - _ESAbstract.GetMethod, License: CC0 (required by "Array.from", "es6", "Map", "Set", "_ESAbstract.IsConstructor", "Array.of", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ESAbstract.IteratorClose", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
- * - _ESAbstract.ToInteger, License: CC0 (required by "Array.prototype.copyWithin", "es6", "Array.prototype.fill", "Number.isInteger", "Number.isSafeInteger", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.ToLength", "Array.from", "Array.prototype.find", "Array.prototype.findIndex")
- * - _ESAbstract.ToLength, License: CC0 (required by "Array.from", "es6", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map")
- * - _ESAbstract.Get, License: CC0 (required by "Array.from", "es6", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Object.assign", "RegExp.prototype.flags", "WeakMap", "WeakSet", "_ESAbstract.IteratorValue", "Map", "Set", "_ESAbstract.IteratorComplete", "_ESAbstract.IteratorStep", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ESAbstract.IsRegExp", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.startsWith", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.GetPrototypeFromConstructor", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "Object.defineProperties", "Object.create", "_ESAbstract.GetIterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_Iterator", "_StringIterator", "_ESAbstract.ArraySpeciesCreate", "_ESAbstract.OrdinaryToPrimitive", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "String.prototype.codePointAt", "String.prototype.repeat")
- * - _ESAbstract.HasProperty, License: CC0 (required by "Array.prototype.copyWithin", "es6", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map")
- * - _ESAbstract.Call, License: CC0 (required by "Array.from", "es6", "Array.prototype.find", "Array.prototype.findIndex", "WeakMap", "WeakSet", "_ESAbstract.GetIterator", "Map", "Set", "_ESAbstract.IteratorClose", "_ESAbstract.IteratorNext", "_ESAbstract.IteratorStep", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.of", "Array.prototype.fill", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.OrdinaryToPrimitive")
- * - _ESAbstract.Type, License: CC0 (required by "Map", "es6", "Array.from", "Number.isFinite", "Number.isInteger", "Number.isNaN", "Number.isSafeInteger", "RegExp.prototype.flags", "WeakMap", "WeakSet", "_ESAbstract.IsConstructor", "Array.of", "_ESAbstract.GetIterator", "Set", "_ESAbstract.IteratorClose", "_ESAbstract.ToString", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.IteratorValue", "_ESAbstract.CreateIterResultObject", "_ESAbstract.IteratorComplete", "_ESAbstract.IteratorStep", "_ESAbstract.IteratorNext", "_ESAbstract.SameValueZero", "Object.create", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.SameValue", "Object.is", "_ESAbstract.IsRegExp", "_ESAbstract.ToPrimitive", "_ESAbstract.GetPrototypeFromConstructor", "Object.defineProperties", "_Iterator", "_StringIterator", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.OrdinaryToPrimitive")
- * - _ESAbstract.OrdinaryToPrimitive, License: CC0 (required by "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.from", "es6", "Array.of", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
- * - _ESAbstract.ToPrimitive, License: CC0 (required by "_ESAbstract.ToString", "Array.from", "es6", "Array.of", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
- * - _ESAbstract.ToString, License: CC0 (required by "Array.from", "es6", "Array.of", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map")
- * - Array.prototype.forEach, License: CC0 (required by "Object.setPrototypeOf", "es6", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
- * - _ESAbstract.IsArray, License: CC0 (required by "WeakMap", "es6", "WeakSet", "Array.isArray", "Map", "Array.from", "Set", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
- * - _ESAbstract.ArrayCreate, License: CC0 (required by "Array.from", "es6", "Array.of", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
- * - _ESAbstract.IsConstructor, License: CC0 (required by "Array.from", "es6", "Array.of", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
+ * - _ESAbstract.ToUint32, License: CC0 (required by "Math.clz32", "es6", "Math.imul")
+ * - _ESAbstract.Type, License: CC0 (required by "Map", "es6", "Array.from", "Number.isFinite", "Number.isInteger", "Number.isNaN", "Number.isSafeInteger", "Object.seal", "RegExp.prototype.flags", "WeakMap", "WeakSet", "_ESAbstract.IsConstructor", "Array.of", "_ESAbstract.GetIterator", "Set", "_ESAbstract.IteratorClose", "_ESAbstract.ToString", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ESAbstract.IteratorValue", "_ESAbstract.CreateIterResultObject", "_ESAbstract.IteratorComplete", "_ESAbstract.IteratorStep", "_ESAbstract.IteratorNext", "_ESAbstract.SameValueZero", "Object.create", "Object.setPrototypeOf", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_ESAbstract.SameValue", "Object.is", "String.fromCodePoint", "_ESAbstract.IsRegExp", "_ESAbstract.ToPrimitive", "_ESAbstract.GetPrototypeFromConstructor", "Object.defineProperties", "_Iterator", "_StringIterator", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Array.prototype.map", "_ESAbstract.OrdinaryToPrimitive")
  * - _ESAbstract.GetPrototypeFromConstructor, License: CC0 (required by "_ESAbstract.OrdinaryCreateFromConstructor", "Map", "es6", "Array.from", "Set", "WeakMap", "WeakSet", "_ESAbstract.Construct", "Array.of")
- * - Object.keys, License: MIT (required by "Object.assign", "es6", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Object.defineProperties", "Object.create", "Object.setPrototypeOf", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator")
- * - Function.prototype.bind, License: MIT (required by "_ESAbstract.Construct", "Array.from", "es6", "Array.of", "Object.getOwnPropertyDescriptor", "Object.assign", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_StringIterator")
- * - Object.getOwnPropertyDescriptor, License: CC0 (required by "Object.assign", "es6", "Object.setPrototypeOf", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Object.defineProperties", "Object.create", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator")
- * - Object.defineProperties, License: CC0 (required by "Object.create", "Map", "es6", "Array.from", "Object.setPrototypeOf", "Set", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator")
- * - Object.create, License: CC0 (required by "Map", "es6", "Array.from", "Object.setPrototypeOf", "Set", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_StringIterator")
- * - Object.getPrototypeOf, License: CC0 (required by "Object.setPrototypeOf", "es6", "_ESAbstract.OrdinaryCreateFromConstructor", "Map", "Array.from", "Set", "WeakMap", "WeakSet", "_ESAbstract.Construct", "Array.of")
- * - _ESAbstract.OrdinaryCreateFromConstructor, License: CC0 (required by "Map", "es6", "Array.from", "Set", "WeakMap", "WeakSet", "_ESAbstract.Construct", "Array.of")
- * - _ESAbstract.Construct, License: CC0 (required by "Array.from", "es6", "Array.of", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
- * - _ESAbstract.ArraySpeciesCreate, License: CC0 (required by "Array.prototype.filter", "Symbol", "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
- * - _ESAbstract.ToBoolean, License: CC0 (required by "Array.prototype.find", "es6", "Array.prototype.findIndex", "RegExp.prototype.flags", "_ESAbstract.IteratorComplete", "Map", "Array.from", "Set", "_ESAbstract.IteratorStep", "WeakMap", "WeakSet", "_ESAbstract.IsRegExp", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.startsWith", "Array.prototype.filter", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
- * - _ESAbstract.CreateDataProperty, License: CC0 (required by "_ESAbstract.CreateDataPropertyOrThrow", "Array.from", "es6", "Array.of", "_ESAbstract.CreateIterResultObject", "Map", "Set")
- * - _ESAbstract.CreateDataPropertyOrThrow, License: CC0 (required by "Array.from", "es6", "Array.of", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
- * - Array.prototype.filter, License: CC0 (required by "Symbol", "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
- * - Array.prototype.map, License: CC0 (required by "Symbol", "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
- * - Object.getOwnPropertyNames, License: CC0 (required by "Object.setPrototypeOf", "es6", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
- * - Object.freeze, License: CC0 (required by "Symbol", "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
- * - Symbol, License: MIT (required by "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "WeakMap", "WeakSet", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_StringIterator")
- * - Symbol.iterator, License: MIT (required by "es6", "Array.from", "Array.prototype.@@iterator", "Map", "Set", "String.prototype.@@iterator", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_StringIterator")
- * - _ESAbstract.GetIterator, License: CC0 (required by "Array.from", "es6", "Map", "Set", "WeakMap", "WeakSet")
+ * - _ESAbstract.IsConstructor, License: CC0 (required by "Array.from", "es6", "Array.of", "_ESAbstract.Construct", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
+ * - _ESAbstract.IsRegExp, License: CC0 (required by "String.prototype.endsWith", "es6", "String.prototype.includes", "String.prototype.startsWith")
  * - _ESAbstract.IteratorClose, License: CC0 (required by "Array.from", "es6", "Map", "Set", "WeakMap", "WeakSet")
- * - _ESAbstract.IteratorNext, License: CC0 (required by "Map", "es6", "Array.from", "Set", "_ESAbstract.IteratorStep", "WeakMap", "WeakSet")
  * - _ESAbstract.IteratorComplete, License: CC0 (required by "Map", "es6", "Array.from", "Set", "_ESAbstract.IteratorStep", "WeakMap", "WeakSet")
+ * - _ESAbstract.IteratorNext, License: CC0 (required by "Map", "es6", "Array.from", "Set", "_ESAbstract.IteratorStep", "WeakMap", "WeakSet")
  * - _ESAbstract.IteratorStep, License: CC0 (required by "Array.from", "es6", "Map", "Set", "WeakMap", "WeakSet")
  * - _ESAbstract.IteratorValue, License: CC0 (required by "Array.from", "es6", "Map", "Set", "WeakMap", "WeakSet")
- * - _ESAbstract.CreateIterResultObject, License: CC0 (required by "Map", "es6", "Array.from", "Set")
- * - _ESAbstract.SameValueNonNumber, License: CC0 (required by "_ESAbstract.SameValueZero", "Map", "es6", "Array.from", "Set", "WeakSet", "_ESAbstract.SameValue", "Object.is", "WeakMap")
+ * - _ESAbstract.OrdinaryToPrimitive, License: CC0 (required by "_ESAbstract.ToPrimitive", "_ESAbstract.ToString", "Array.from", "es6", "Array.of", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
+ * - _ESAbstract.SameValue, License: CC0 (required by "Object.is", "es6", "String.fromCodePoint", "WeakMap")
  * - _ESAbstract.SameValueZero, License: CC0 (required by "Map", "es6", "Array.from", "Set", "WeakSet")
+ * - _ESAbstract.ToPrimitive, License: CC0 (required by "_ESAbstract.ToString", "Array.from", "es6", "Array.of", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
+ * - _ESAbstract.ToString, License: CC0 (required by "Array.from", "es6", "Array.of", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "Array.prototype.forEach", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.filter", "Array.prototype.map")
+ * - _ESAbstract.UTF16Decode, License: CC0 (required by "String.prototype.codePointAt", "es6")
+ * - _ESAbstract.UTF16Encoding, License: CC0 (required by "String.fromCodePoint", "es6")
+ * - _TypedArray, License: MIT (required by "Math.fround", "es6")
+ * - Object.defineProperty, License: CC0 (required by "Function.prototype.name", "es6", "Map", "Array.from", "Number.Epsilon", "Number.MAX_SAFE_INTEGER", "Number.MIN_SAFE_INTEGER", "Object.setPrototypeOf", "RegExp.prototype.flags", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Symbol", "WeakMap", "WeakSet", "_ESAbstract.CreateMethodProperty", "Array.of", "Array.prototype.copyWithin", "Array.prototype.entries", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.keys", "Array.prototype.values", "Math.acosh", "Math.asinh", "Math.atanh", "Math.cbrt", "Math.clz32", "Math.cosh", "Math.expm1", "Math.fround", "Math.hypot", "Math.imul", "Math.log10", "Math.log1p", "Math.log2", "Math.sign", "Math.sinh", "Math.tanh", "Math.trunc", "Number.isFinite", "Number.isInteger", "Number.isNaN", "Number.isSafeInteger", "Number.parseFloat", "Number.parseInt", "Object.assign", "Object.is", "Object.seal", "String.fromCodePoint", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "_ArrayIterator", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "_StringIterator", "_ESAbstract.CreateDataProperty", "_ESAbstract.CreateDataPropertyOrThrow", "_ESAbstract.CreateIterResultObject", "_Iterator", "Object.defineProperties", "Object.create", "_ESAbstract.GetIterator")
+ * - _ESAbstract.CreateDataProperty, License: CC0 (required by "_ESAbstract.CreateDataPropertyOrThrow", "Array.from", "es6", "Array.of", "_ESAbstract.CreateIterResultObject", "Map", "Set")
+ * - _ESAbstract.CreateDataPropertyOrThrow, License: CC0 (required by "Array.from", "es6", "Array.of", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
+ * - _ESAbstract.CreateIterResultObject, License: CC0 (required by "Map", "es6", "Array.from", "Set")
+ * - _ESAbstract.CreateMethodProperty, License: CC0 (required by "Array.from", "es6", "Array.of", "Array.prototype.@@iterator", "Array.prototype.copyWithin", "Array.prototype.entries", "Array.prototype.fill", "Array.prototype.find", "Array.prototype.findIndex", "Array.prototype.keys", "Array.prototype.values", "Map", "Math.acosh", "Math.asinh", "Math.atanh", "Math.cbrt", "Math.clz32", "Math.cosh", "Math.expm1", "Math.fround", "Math.hypot", "Math.imul", "Math.log10", "Math.log1p", "Math.log2", "Math.sign", "Math.sinh", "Math.tanh", "Math.trunc", "Number.isFinite", "Number.isInteger", "Number.isNaN", "Number.isSafeInteger", "Number.parseFloat", "Number.parseInt", "Object.assign", "Object.is", "Object.seal", "Object.setPrototypeOf", "Set", "String.fromCodePoint", "String.prototype.@@iterator", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith", "WeakMap", "WeakSet", "Array.isArray", "Object.create", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ESAbstract.GetIterator", "_ArrayIterator", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Object.getOwnPropertyDescriptor", "Object.keys", "Array.prototype.forEach", "Object.getPrototypeOf", "Object.getOwnPropertyNames", "Array.prototype.filter", "Array.prototype.map", "Object.freeze", "Function.prototype.bind", "Object.defineProperties", "_Iterator", "_StringIterator")
  * - Array.isArray, License: CC0 (required by "Map", "es6", "Array.from", "Set", "WeakMap")
- * - Symbol.species, License: MIT (required by "es6", "Map", "Array.from", "Set")
- * - Map, License: CC0 (required by "es6", "Array.from")
- * - Set, License: CC0 (required by "es6", "Array.from")
- * - Array.from, License: CC0 (required by "es6")
- * - Array.of, License: CC0 (required by "es6")
- * - Object.assign, License: CC0 (required by "es6", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
- * - Symbol.toStringTag, License: MIT (required by "es6", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
- * - _Iterator, License: MIT (required by "_ArrayIterator", "Array.prototype.entries", "es6", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
- * - Object.setPrototypeOf, License: MIT (required by "es6", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
- * - _ESAbstract.RequireObjectCoercible, License: CC0 (required by "String.prototype.@@iterator", "es6", "String.prototype.codePointAt", "String.prototype.endsWith", "String.prototype.includes", "String.prototype.repeat", "String.prototype.startsWith")
- * - _ESAbstract.IsRegExp, License: CC0 (required by "String.prototype.endsWith", "es6", "String.prototype.includes", "String.prototype.startsWith")
- * - String.prototype.includes, License: CC0 (required by "es6", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator")
- * - _ArrayIterator, License: MIT (required by "Array.prototype.entries", "es6", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator")
- * - Array.prototype.values, License: MIT (required by "es6", "Array.prototype.@@iterator")
- * - Array.prototype.@@iterator, License: CC0 (required by "es6")
  * - Array.prototype.copyWithin, License: MIT (required by "es6")
- * - Array.prototype.entries, License: CC0 (required by "es6")
  * - Array.prototype.fill, License: CC0 (required by "es6")
  * - Array.prototype.find, License: CC0 (required by "es6")
  * - Array.prototype.findIndex, License: CC0 (required by "es6")
- * - Array.prototype.keys, License: CC0 (required by "es6")
- * - Function.name, License: MIT (required by "es6")
+ * - Array.prototype.forEach, License: CC0 (required by "Object.setPrototypeOf", "es6", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
+ * - Function.prototype.bind, License: MIT (required by "_ESAbstract.Construct", "Array.from", "es6", "Array.of", "Object.getOwnPropertyDescriptor", "Object.assign", "Object.setPrototypeOf", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_StringIterator")
  * - Math.acosh, License: CC0 (required by "es6")
  * - Math.asinh, License: CC0 (required by "es6")
  * - Math.atanh, License: CC0 (required by "es6")
  * - Math.cbrt, License: CC0 (required by "es6")
- * - _ESAbstract.ToUint32, License: CC0 (required by "Math.clz32", "es6", "Math.imul")
  * - Math.clz32, License: CC0 (required by "es6")
  * - Math.cosh, License: CC0 (required by "es6")
  * - Math.expm1, License: CC0 (required by "es6")
- * - _TypedArray, License: Copyright 2010, Linden Research, Inc. Copyright 2014, Joshua Bell. (required by "Math.fround", "es6")
  * - Math.fround, License: CC0 (required by "es6")
  * - Math.hypot, License: CC0 (required by "es6")
  * - Math.imul, License: CC0 (required by "es6")
@@ -92,39 +65,142 @@
  * - Math.sinh, License: CC0 (required by "es6")
  * - Math.tanh, License: CC0 (required by "es6")
  * - Math.trunc, License: CC0 (required by "es6")
- * - Number.Epsilon, License: MIT (required by "es6")
- * - Number.MAX_SAFE_INTEGER, License: MIT (required by "es6")
- * - Number.MIN_SAFE_INTEGER, License: MIT (required by "es6")
  * - Number.isFinite, License: MIT (required by "es6")
  * - Number.isInteger, License: MIT (required by "es6")
  * - Number.isNaN, License: MIT (required by "es6")
  * - Number.isSafeInteger, License: MIT (required by "es6")
  * - Number.parseFloat, License: MIT (required by "es6")
  * - Number.parseInt, License: MIT (required by "es6")
- * - _ESAbstract.SameValue, License: CC0 (required by "Object.is", "es6", "WeakMap")
+ * - Function.prototype.name, License: MIT (required by "es6")
+ * - Number.Epsilon, License: MIT (required by "es6")
+ * - Number.MAX_SAFE_INTEGER, License: MIT (required by "es6")
+ * - Number.MIN_SAFE_INTEGER, License: MIT (required by "es6")
+ * - Object.freeze, License: CC0 (required by "Symbol", "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
+ * - Object.getOwnPropertyDescriptor, License: CC0 (required by "Object.assign", "es6", "Object.setPrototypeOf", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Object.defineProperties", "Object.create", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator")
+ * - Object.getOwnPropertyNames, License: CC0 (required by "Object.setPrototypeOf", "es6", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
+ * - Object.getPrototypeOf, License: CC0 (required by "Object.setPrototypeOf", "es6", "_ESAbstract.OrdinaryCreateFromConstructor", "Map", "Array.from", "Set", "WeakMap", "WeakSet", "_ESAbstract.Construct", "Array.of")
  * - Object.is, License: CC0 (required by "es6")
+ * - Object.keys, License: MIT (required by "Object.assign", "es6", "Symbol", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Object.defineProperties", "Object.create", "Object.setPrototypeOf", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator")
+ * - Object.assign, License: CC0 (required by "es6", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
+ * - Object.defineProperties, License: CC0 (required by "Object.create", "Map", "es6", "Array.from", "Object.setPrototypeOf", "Set", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_Iterator", "_StringIterator")
+ * - Object.create, License: CC0 (required by "Map", "es6", "Array.from", "Object.setPrototypeOf", "Set", "Symbol", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "_ESAbstract.GetIterator", "WeakMap", "WeakSet", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_ESAbstract.OrdinaryCreateFromConstructor", "_ESAbstract.Construct", "Array.of", "_StringIterator")
+ * - _ESAbstract.GetIterator, License: CC0 (required by "Array.from", "es6", "Map", "Set", "WeakMap", "WeakSet")
+ * - _ESAbstract.OrdinaryCreateFromConstructor, License: CC0 (required by "Map", "es6", "Array.from", "Set", "WeakMap", "WeakSet", "_ESAbstract.Construct", "Array.of")
+ * - _ESAbstract.Construct, License: CC0 (required by "Array.from", "es6", "Array.of", "_ESAbstract.ArraySpeciesCreate", "Array.prototype.filter", "Symbol", "Map", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
+ * - _ESAbstract.ArraySpeciesCreate, License: CC0 (required by "Array.prototype.filter", "Symbol", "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "Array.prototype.map")
+ * - Array.prototype.filter, License: CC0 (required by "Symbol", "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
+ * - Array.prototype.map, License: CC0 (required by "Symbol", "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables")
+ * - Array.of, License: CC0 (required by "es6")
+ * - Object.seal, License: MIT (required by "es6")
+ * - Object.setPrototypeOf, License: MIT (required by "es6", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
  * - Promise, License: MIT (required by "es6")
  * - RegExp.prototype.flags, License: MIT (required by "es6")
- * - _StringIterator, License: MIT (required by "String.prototype.@@iterator", "es6")
- * - String.prototype.@@iterator, License: CC0 (required by "es6")
- * - _ESAbstract.UTF16Decode, License: CC0 (required by "String.prototype.codePointAt", "es6")
+ * - String.fromCodePoint, License: MIT (required by "es6")
  * - String.prototype.codePointAt, License: MIT (required by "es6")
  * - String.prototype.endsWith, License: CC0 (required by "es6")
+ * - String.prototype.includes, License: CC0 (required by "es6", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator")
  * - String.prototype.repeat, License: CC0 (required by "es6")
  * - String.prototype.startsWith, License: CC0 (required by "es6")
+ * - Symbol, License: MIT (required by "es6", "Map", "Array.from", "Set", "Symbol.hasInstance", "Symbol.isConcatSpreadable", "Symbol.iterator", "Array.prototype.@@iterator", "String.prototype.@@iterator", "Symbol.match", "Symbol.replace", "Symbol.search", "Symbol.species", "Symbol.split", "Symbol.toPrimitive", "Symbol.toStringTag", "Symbol.unscopables", "WeakMap", "WeakSet", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_StringIterator")
  * - Symbol.hasInstance, License: MIT (required by "es6")
  * - Symbol.isConcatSpreadable, License: MIT (required by "es6")
+ * - Symbol.iterator, License: MIT (required by "es6", "Array.from", "Array.prototype.@@iterator", "Map", "Set", "String.prototype.@@iterator", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "_StringIterator")
  * - Symbol.match, License: MIT (required by "es6")
  * - Symbol.replace, License: MIT (required by "es6")
  * - Symbol.search, License: MIT (required by "es6")
+ * - Symbol.species, License: MIT (required by "es6", "Map", "Array.from", "Set")
+ * - Map, License: CC0 (required by "es6", "Array.from")
+ * - Set, License: CC0 (required by "es6", "Array.from")
+ * - Array.from, License: CC0 (required by "es6")
  * - Symbol.split, License: MIT (required by "es6")
  * - Symbol.toPrimitive, License: MIT (required by "es6")
+ * - Symbol.toStringTag, License: MIT (required by "es6", "_Iterator", "_ArrayIterator", "Array.prototype.entries", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
+ * - _Iterator, License: MIT (required by "_ArrayIterator", "Array.prototype.entries", "es6", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator", "_StringIterator", "String.prototype.@@iterator")
+ * - _ArrayIterator, License: MIT (required by "Array.prototype.entries", "es6", "Array.prototype.keys", "Array.prototype.values", "Array.prototype.@@iterator")
+ * - Array.prototype.entries, License: CC0 (required by "es6")
+ * - Array.prototype.keys, License: CC0 (required by "es6")
+ * - Array.prototype.values, License: MIT (required by "es6", "Array.prototype.@@iterator")
+ * - Array.prototype.@@iterator, License: CC0 (required by "es6")
+ * - _StringIterator, License: MIT (required by "String.prototype.@@iterator", "es6")
+ * - String.prototype.@@iterator, License: CC0 (required by "es6")
  * - Symbol.unscopables, License: MIT (required by "es6")
- * - WeakMap, License: CC0 (required by "es6")
- * - WeakSet, License: CC0 (required by "es6") */
+ * - WeakMap, License: MIT (required by "es6")
+ * - WeakSet, License: MIT (required by "es6") */
 
 (function(undefined) {
 
+// _ESAbstract.ArrayCreate
+// 9.4.2.2. ArrayCreate ( length [ , proto ] )
+function ArrayCreate(length /* [, proto] */) { // eslint-disable-line no-unused-vars
+	// 1. Assert: length is an integer Number ≥ 0.
+	// 2. If length is -0, set length to +0.
+	if (1 / length === -Infinity) {
+		length = 0;
+	}
+	// 3. If length>2^32-1, throw a RangeError exception.
+	if (length > (Math.pow(2, 32) - 1)) {
+		throw new RangeError('Invalid array length');
+	}
+	// 4. If proto is not present, set proto to the intrinsic object %ArrayPrototype%.
+	// 5. Let A be a newly created Array exotic object.
+	var A = [];
+	// 6. Set A's essential internal methods except for [[DefineOwnProperty]] to the default ordinary object definitions specified in 9.1.
+	// 7. Set A.[[DefineOwnProperty]] as specified in 9.4.2.1.
+	// 8. Set A.[[Prototype]] to proto.
+	// 9. Set A.[[Extensible]] to true.
+	// 10. Perform ! OrdinaryDefineOwnProperty(A, "length", PropertyDescriptor{[[Value]]: length, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false}).
+	A.length = length;
+	// 11. Return A.
+	return A;
+}
+
+// _ESAbstract.Call
+/* global IsCallable */
+// 7.3.12. Call ( F, V [ , argumentsList ] )
+function Call(F, V /* [, argumentsList] */) { // eslint-disable-line no-unused-vars
+	// 1. If argumentsList is not present, set argumentsList to a new empty List.
+	var argumentsList = arguments.length > 2 ? arguments[2] : [];
+	// 2. If IsCallable(F) is false, throw a TypeError exception.
+	if (IsCallable(F) === false) {
+		throw new TypeError(Object.prototype.toString.call(F) + 'is not a function.');
+	}
+	// 3. Return ? F.[[Call]](V, argumentsList).
+	return F.apply(V, argumentsList);
+}
+
+// _ESAbstract.Get
+// 7.3.1. Get ( O, P )
+function Get(O, P) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(O) is Object.
+	// 2. Assert: IsPropertyKey(P) is true.
+	// 3. Return ? O.[[Get]](P, O).
+	return O[P];
+}
+
+// _ESAbstract.HasProperty
+// 7.3.10. HasProperty ( O, P )
+function HasProperty(O, P) { // eslint-disable-line no-unused-vars
+	// Assert: Type(O) is Object.
+	// Assert: IsPropertyKey(P) is true.
+	// Return ? O.[[HasProperty]](P).
+	return P in O;
+}
+
+// _ESAbstract.IsArray
+// 7.2.2. IsArray ( argument )
+function IsArray(argument) { // eslint-disable-line no-unused-vars
+	// 1. If Type(argument) is not Object, return false.
+	// 2. If argument is an Array exotic object, return true.
+	// 3. If argument is a Proxy exotic object, then
+		// a. If argument.[[ProxyHandler]] is null, throw a TypeError exception.
+		// b. Let target be argument.[[ProxyTarget]].
+		// c. Return ? IsArray(target).
+	// 4. Return false.
+
+	// Polyfill.io - We can skip all the above steps and check the string returned from Object.prototype.toString().
+	return Object.prototype.toString.call(argument) === '[object Array]';
+}
+
 // _ESAbstract.IsCallable
 // 7.2.3. IsCallable ( argument )
 function IsCallable(argument) { // eslint-disable-line no-unused-vars
@@ -135,102 +211,105 @@ function IsCallable(argument) { // eslint-disable-line no-unused-vars
 	// Polyfill.io - Only function objects have a [[Call]] internal method. This means we can simplify this function to check that the argument has a type of function.
 	return typeof argument === 'function';
 }
-if (!(// In IE8, defineProperty could only act on DOM elements, so full support
-// for the feature requires the ability to set a property on an arbitrary object
-'defineProperty' in Object && (function() {
-	try {
-		var a = {};
-		Object.defineProperty(a, 'test', {value:42});
-		return true;
-	} catch(e) {
-		return false
+
+// _ESAbstract.RequireObjectCoercible
+// 7.2.1. RequireObjectCoercible ( argument )
+// The abstract operation ToObject converts argument to a value of type Object according to Table 12:
+// Table 12: ToObject Conversions
+/*
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+| Argument Type | Result                                                                                                                             |
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+| Undefined     | Throw a TypeError exception.                                                                                                       |
+| Null          | Throw a TypeError exception.                                                                                                       |
+| Boolean       | Return argument.                                                                                                                   |
+| Number        | Return argument.                                                                                                                   |
+| String        | Return argument.                                                                                                                   |
+| Symbol        | Return argument.                                                                                                                   |
+| Object        | Return argument.                                                                                                                   |
+|----------------------------------------------------------------------------------------------------------------------------------------------------|
+*/
+function RequireObjectCoercible(argument) { // eslint-disable-line no-unused-vars
+	if (argument === null || argument === undefined) {
+		throw TypeError();
 	}
-}()))) {
-
-// Object.defineProperty
-(function (nativeDefineProperty) {
-
-	var supportsAccessors = Object.prototype.hasOwnProperty('__defineGetter__');
-	var ERR_ACCESSORS_NOT_SUPPORTED = 'Getters & setters cannot be defined on this javascript engine';
-	var ERR_VALUE_ACCESSORS = 'A property cannot both have accessors and be writable or have a value';
-
-	// Polyfill.io - This does not use CreateMethodProperty because our CreateMethodProperty function uses Object.defineProperty.
-	Object['defineProperty'] = function defineProperty(object, property, descriptor) {
-
-		// Where native support exists, assume it
-		if (nativeDefineProperty && (object === window || object === document || object === Element.prototype || object instanceof Element)) {
-			return nativeDefineProperty(object, property, descriptor);
-		}
-
-		if (object === null || !(object instanceof Object || typeof object === 'object')) {
-			throw new TypeError('Object.defineProperty called on non-object');
-		}
-
-		if (!(descriptor instanceof Object)) {
-			throw new TypeError('Property description must be an object');
-		}
-
-		var propertyString = String(property);
-		var hasValueOrWritable = 'value' in descriptor || 'writable' in descriptor;
-		var getterType = 'get' in descriptor && typeof descriptor.get;
-		var setterType = 'set' in descriptor && typeof descriptor.set;
-
-		// handle descriptor.get
-		if (getterType) {
-			if (getterType !== 'function') {
-				throw new TypeError('Getter must be a function');
-			}
-			if (!supportsAccessors) {
-				throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
-			}
-			if (hasValueOrWritable) {
-				throw new TypeError(ERR_VALUE_ACCESSORS);
-			}
-			Object.__defineGetter__.call(object, propertyString, descriptor.get);
-		} else {
-			object[propertyString] = descriptor.value;
-		}
-
-		// handle descriptor.set
-		if (setterType) {
-			if (setterType !== 'function') {
-				throw new TypeError('Setter must be a function');
-			}
-			if (!supportsAccessors) {
-				throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
-			}
-			if (hasValueOrWritable) {
-				throw new TypeError(ERR_VALUE_ACCESSORS);
-			}
-			Object.__defineSetter__.call(object, propertyString, descriptor.set);
-		}
-
-		// OK to define value unconditionally - if a getter has been specified as well, an error would be thrown above
-		if ('value' in descriptor) {
-			object[propertyString] = descriptor.value;
-		}
-
-		return object;
-	};
-}(Object.defineProperty));
-
+  return argument;
 }
 
+// _ESAbstract.SameValueNonNumber
+// 7.2.12. SameValueNonNumber ( x, y )
+function SameValueNonNumber(x, y) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(x) is not Number.
+	// 2. Assert: Type(x) is the same as Type(y).
+	// 3. If Type(x) is Undefined, return true.
+	// 4. If Type(x) is Null, return true.
+	// 5. If Type(x) is String, then
+		// a. If x and y are exactly the same sequence of code units (same length and same code units at corresponding indices), return true; otherwise, return false.
+	// 6. If Type(x) is Boolean, then
+		// a. If x and y are both true or both false, return true; otherwise, return false.
+	// 7. If Type(x) is Symbol, then
+		// a. If x and y are both the same Symbol value, return true; otherwise, return false.
+	// 8. If x and y are the same Object value, return true. Otherwise, return false.
 
-// _ESAbstract.CreateMethodProperty
-// 7.3.5. CreateMethodProperty ( O, P, V )
-function CreateMethodProperty(O, P, V) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(O) is Object.
-	// 2. Assert: IsPropertyKey(P) is true.
-	// 3. Let newDesc be the PropertyDescriptor{[[Value]]: V, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true}.
-	var newDesc = {
-		value: V,
-		writable: true,
-		enumerable: false,
-		configurable: true
-	};
-	// 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
-	Object.defineProperty(O, P, newDesc);
+	// Polyfill.io - We can skip all above steps because the === operator does it all for us.
+	return x === y;
+}
+
+// _ESAbstract.ToBoolean
+// 7.1.2. ToBoolean ( argument )
+// The abstract operation ToBoolean converts argument to a value of type Boolean according to Table 9:
+/*
+--------------------------------------------------------------------------------------------------------------
+| Argument Type | Result                                                                                     |
+--------------------------------------------------------------------------------------------------------------
+| Undefined     | Return false.                                                                              |
+| Null          | Return false.                                                                              |
+| Boolean       | Return argument.                                                                           |
+| Number        | If argument is +0, -0, or NaN, return false; otherwise return true.                        |
+| String        | If argument is the empty String (its length is zero), return false; otherwise return true. |
+| Symbol        | Return true.                                                                               |
+| Object        | Return true.                                                                               |
+--------------------------------------------------------------------------------------------------------------
+*/
+function ToBoolean(argument) { // eslint-disable-line no-unused-vars
+	return Boolean(argument);
+}
+
+// _ESAbstract.ToInteger
+// 7.1.4. ToInteger ( argument )
+function ToInteger(argument) { // eslint-disable-line no-unused-vars
+	// 1. Let number be ? ToNumber(argument).
+	var number = Number(argument);
+	// 2. If number is NaN, return +0.
+	if (isNaN(number)) {
+		return 0;
+	}
+	// 3. If number is +0, -0, +∞, or -∞, return number.
+	if (1/number === Infinity || 1/number === -Infinity || number === Infinity || number === -Infinity) {
+		return number;
+	}
+	// 4. Return the number value that is the same sign as number and whose magnitude is floor(abs(number)).
+	return ((number < 0) ? -1 : 1) * Math.floor(Math.abs(number));
+}
+
+// _ESAbstract.ToLength
+/* global ToInteger */
+// 7.1.15. ToLength ( argument )
+function ToLength(argument) { // eslint-disable-line no-unused-vars
+	// 1. Let len be ? ToInteger(argument).
+	var len = ToInteger(argument);
+	// 2. If len ≤ +0, return +0.
+	if (len <= 0) {
+		return 0;
+	}
+	// 3. Return min(len, 253-1).
+	return Math.min(len, Math.pow(2, 53) -1);
+}
+
+// _ESAbstract.ToNumber
+// 7.1.3. ToNumber ( argument )
+function ToNumber(argument) { // eslint-disable-line no-unused-vars
+	return Number(argument);
 }
 
 // _ESAbstract.ToObject
@@ -287,67 +366,21 @@ function GetMethod(V, P) { // eslint-disable-line no-unused-vars
 	return func;
 }
 
-// _ESAbstract.ToInteger
-// 7.1.4. ToInteger ( argument )
-function ToInteger(argument) { // eslint-disable-line no-unused-vars
+// _ESAbstract.ToUint32
+// 7.1.6. ToUint32 ( argument )
+function ToUint32(argument) { // eslint-disable-line no-unused-vars
 	// 1. Let number be ? ToNumber(argument).
 	var number = Number(argument);
-	// 2. If number is NaN, return +0.
-	if (isNaN(number)) {
+	// 2. If number is NaN, +0, -0, +∞, or -∞, return +0.
+	if (isNaN(number) || 1/number === Infinity || 1/number === -Infinity || number === Infinity || number === -Infinity) {
 		return 0;
 	}
-	// 3. If number is +0, -0, +∞, or -∞, return number.
-	if (1/number === Infinity || 1/number === -Infinity || number === Infinity || number === -Infinity) {
-		return number;
-	}
-	// 4. Return the number value that is the same sign as number and whose magnitude is floor(abs(number)).
-	return ((number < 0) ? -1 : 1) * Math.floor(Math.abs(number));
-}
-
-// _ESAbstract.ToLength
-/* global ToInteger */
-// 7.1.15. ToLength ( argument )
-function ToLength(argument) { // eslint-disable-line no-unused-vars
-	// 1. Let len be ? ToInteger(argument).
-	var len = ToInteger(argument);
-	// 2. If len ≤ +0, return +0.
-	if (len <= 0) {
-		return 0;
-	}
-	// 3. Return min(len, 253-1).
-	return Math.min(len, Math.pow(2, 53) -1);
-}
-
-// _ESAbstract.Get
-// 7.3.1. Get ( O, P )
-function Get(O, P) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(O) is Object.
-	// 2. Assert: IsPropertyKey(P) is true.
-	// 3. Return ? O.[[Get]](P, O).
-	return O[P];
-}
-
-// _ESAbstract.HasProperty
-// 7.3.10. HasProperty ( O, P )
-function HasProperty(O, P) { // eslint-disable-line no-unused-vars
-	// Assert: Type(O) is Object.
-	// Assert: IsPropertyKey(P) is true.
-	// Return ? O.[[HasProperty]](P).
-	return P in O;
-}
-
-// _ESAbstract.Call
-/* global IsCallable */
-// 7.3.12. Call ( F, V [ , argumentsList ] )
-function Call(F, V /* [, argumentsList] */) { // eslint-disable-line no-unused-vars
-	// 1. If argumentsList is not present, set argumentsList to a new empty List.
-	var argumentsList = arguments.length > 2 ? arguments[2] : [];
-	// 2. If IsCallable(F) is false, throw a TypeError exception.
-	if (IsCallable(F) === false) {
-		throw new TypeError(Object.prototype.toString.call(F) + 'is not a function.');
-	}
-	// 3. Return ? F.[[Call]](V, argumentsList).
-	return F.apply(V, argumentsList);
+	// 3. Let int be the mathematical value that is the same sign as number and whose magnitude is floor(abs(number)).
+	var int = ((number < 0) ? -1 : 1) * Math.floor(Math.abs(number));
+	// 4. Let int32bit be int modulo 2^32.
+	var int32bit = int >>> 0;
+	// 5. Return int32bit.
+	return int32bit;
 }
 
 // _ESAbstract.Type
@@ -373,6 +406,172 @@ function Type(x) { // eslint-disable-line no-unused-vars
 	}
 }
 
+// _ESAbstract.GetPrototypeFromConstructor
+/* global Get, Type */
+// 9.1.14. GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
+function GetPrototypeFromConstructor(constructor, intrinsicDefaultProto) { // eslint-disable-line no-unused-vars
+	// 1. Assert: intrinsicDefaultProto is a String value that is this specification's name of an intrinsic object. The corresponding object must be an intrinsic that is intended to be used as the [[Prototype]] value of an object.
+	// 2. Assert: IsCallable(constructor) is true.
+	// 3. Let proto be ? Get(constructor, "prototype").
+	var proto = Get(constructor, "prototype");
+	// 4. If Type(proto) is not Object, then
+	if (Type(proto) !== 'object') {
+		// a. Let realm be ? GetFunctionRealm(constructor).
+		// b. Set proto to realm's intrinsic object named intrinsicDefaultProto.
+		proto = intrinsicDefaultProto;
+	}
+	// 5. Return proto.
+	return proto;
+}
+
+// _ESAbstract.IsConstructor
+/* global Type */
+// 7.2.4. IsConstructor ( argument )
+function IsConstructor(argument) { // eslint-disable-line no-unused-vars
+	// 1. If Type(argument) is not Object, return false.
+	if (Type(argument) !== 'object') {
+		return false;
+	}
+	// 2. If argument has a [[Construct]] internal method, return true.
+	// 3. Return false.
+
+	// Polyfill.io - `new argument` is the only way  to truly test if a function is a constructor.
+	// We choose to not use`new argument` because the argument could have side effects when called.
+	// Instead we check to see if the argument is a function and if it has a prototype.
+	// Arrow functions do not have a [[Construct]] internal method, nor do they have a prototype.
+	return typeof argument === 'function' && !!argument.prototype;
+}
+
+// _ESAbstract.IsRegExp
+/* global Type, Get, ToBoolean */
+// 7.2.8. IsRegExp ( argument )
+function IsRegExp(argument) { // eslint-disable-line no-unused-vars
+	// 1. If Type(argument) is not Object, return false.
+	if (Type(argument) !== 'object') {
+		return false;
+	}
+	// 2. Let matcher be ? Get(argument, @@match).
+	var matcher = 'Symbol' in this && 'match' in this.Symbol ? Get(argument, this.Symbol.match) : undefined;
+	// 3. If matcher is not undefined, return ToBoolean(matcher).
+	if (matcher !== undefined) {
+		return ToBoolean(matcher);
+	}
+	// 4. If argument has a [[RegExpMatcher]] internal slot, return true.
+	try {
+		var lastIndex = argument.lastIndex;
+		argument.lastIndex = 0;
+		RegExp.prototype.exec.call(argument);
+		return true;
+	} catch (e) {} finally {
+		argument.lastIndex = lastIndex;
+	}
+	// 5. Return false.
+	return false;
+}
+
+// _ESAbstract.IteratorClose
+/* global GetMethod, Type, Call */
+// 7.4.6. IteratorClose ( iteratorRecord, completion )
+function IteratorClose(iteratorRecord, completion) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(iteratorRecord.[[Iterator]]) is Object.
+	if (Type(iteratorRecord['[[Iterator]]']) !== 'object') {
+		throw new Error(Object.prototype.toString.call(iteratorRecord['[[Iterator]]']) + 'is not an Object.');
+	}
+	// 2. Assert: completion is a Completion Record.
+	// Polyfill.io - Ignoring this step as there is no way to check if something is a Completion Record in userland JavaScript.
+
+	// 3. Let iterator be iteratorRecord.[[Iterator]].
+	var iterator = iteratorRecord['[[Iterator]]'];
+	// 4. Let return be ? GetMethod(iterator, "return").
+	// Polyfill.io - We name it  returnMethod because return is a keyword and can not be used as an identifier (E.G. variable name, function name etc).
+	var returnMethod = GetMethod(iterator, "return");
+	// 5. If return is undefined, return Completion(completion).
+	if (returnMethod === undefined) {
+		return completion;
+	}
+	// 6. Let innerResult be Call(return, iterator, « »).
+	try {
+		var innerResult = Call(returnMethod, iterator);
+	} catch (error) {
+		var innerException = error;
+	}
+	// 7. If completion.[[Type]] is throw, return Completion(completion).
+	if (completion) {
+		return completion;
+	}
+	// 8. If innerResult.[[Type]] is throw, return Completion(innerResult).
+	if (innerException) {
+		throw innerException;
+	}
+	// 9. If Type(innerResult.[[Value]]) is not Object, throw a TypeError exception.
+	if (Type(innerResult) !== 'object') {
+		throw new TypeError("Iterator's return method returned a non-object.");
+	}
+	// 10. Return Completion(completion).
+	return completion;
+}
+
+// _ESAbstract.IteratorComplete
+/* global Type, ToBoolean, Get */
+// 7.4.3 IteratorComplete ( iterResult )
+function IteratorComplete(iterResult) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(iterResult) is Object.
+	if (Type(iterResult) !== 'object') {
+		throw new Error(Object.prototype.toString.call(iterResult) + 'is not an Object.');
+	}
+	// 2. Return ToBoolean(? Get(iterResult, "done")).
+	return ToBoolean(Get(iterResult, "done"));
+}
+
+// _ESAbstract.IteratorNext
+/* global Call, Type */
+// 7.4.2. IteratorNext ( iteratorRecord [ , value ] )
+function IteratorNext(iteratorRecord /* [, value] */) { // eslint-disable-line no-unused-vars
+	// 1. If value is not present, then
+	if (arguments.length < 2) {
+		// a. Let result be ? Call(iteratorRecord.[[NextMethod]], iteratorRecord.[[Iterator]], « »).
+		var result = Call(iteratorRecord['[[NextMethod]]'], iteratorRecord['[[Iterator]]']);
+	// 2. Else,
+	} else {
+		// a. Let result be ? Call(iteratorRecord.[[NextMethod]], iteratorRecord.[[Iterator]], « value »).
+		result = Call(iteratorRecord['[[NextMethod]]'], iteratorRecord['[[Iterator]]'], [arguments[1]]);
+	}
+	// 3. If Type(result) is not Object, throw a TypeError exception.
+	if (Type(result) !== 'object') {
+		throw new TypeError('bad iterator');
+	}
+	// 4. Return result.
+	return result;
+}
+
+// _ESAbstract.IteratorStep
+/* global IteratorNext, IteratorComplete */
+// 7.4.5. IteratorStep ( iteratorRecord )
+function IteratorStep(iteratorRecord) { // eslint-disable-line no-unused-vars
+	// 1. Let result be ? IteratorNext(iteratorRecord).
+	var result = IteratorNext(iteratorRecord);
+	// 2. Let done be ? IteratorComplete(result).
+	var done = IteratorComplete(result);
+	// 3. If done is true, return false.
+	if (done === true) {
+		return false;
+	}
+	// 4. Return result.
+	return result;
+}
+
+// _ESAbstract.IteratorValue
+/* global Type, Get */
+// 7.4.4 IteratorValue ( iterResult )
+function IteratorValue(iterResult) { // eslint-disable-line no-unused-vars
+	// Assert: Type(iterResult) is Object.
+	if (Type(iterResult) !== 'object') {
+		throw new Error(Object.prototype.toString.call(iterResult) + 'is not an Object.');
+	}
+	// Return ? Get(iterResult, "value").
+	return Get(iterResult, "value");
+}
+
 // _ESAbstract.OrdinaryToPrimitive
 /* global Get, IsCallable, Call, Type */
 // 7.1.1.1. OrdinaryToPrimitive ( O, hint )
@@ -407,6 +606,70 @@ function OrdinaryToPrimitive(O, hint) { // eslint-disable-line no-unused-vars
 	throw new TypeError('Cannot convert to primitive.');
 }
 
+// _ESAbstract.SameValue
+/* global Type, SameValueNonNumber */
+// 7.2.10. SameValue ( x, y )
+function SameValue(x, y) { // eslint-disable-line no-unused-vars
+	// 1. If Type(x) is different from Type(y), return false.
+	if (Type(x) !== Type(y)) {
+		return false;
+	}
+	// 2. If Type(x) is Number, then
+	if (Type(x) === 'number') {
+		// a. If x is NaN and y is NaN, return true.
+		if (isNaN(x) && isNaN(y)) {
+			return true;
+		}
+		// Polyfill.io - 0 === -0 is true, but they are not the same value.
+		// b. If x is +0 and y is -0, return false.
+		// c. If x is -0 and y is +0, return false.
+		if (x === 0 && y === 0 && 1/x !== 1/y) {
+			return false;
+		}
+		// d. If x is the same Number value as y, return true.
+		if (x === y) {
+			return true;
+		}
+		// e. Return false.
+		return false;
+	}
+	// 3. Return SameValueNonNumber(x, y).
+	return SameValueNonNumber(x, y);
+}
+
+// _ESAbstract.SameValueZero
+/* global Type, SameValueNonNumber */
+// 7.2.11. SameValueZero ( x, y )
+function SameValueZero (x, y) { // eslint-disable-line no-unused-vars
+	// 1. If Type(x) is different from Type(y), return false.
+	if (Type(x) !== Type(y)) {
+		return false;
+	}
+	// 2. If Type(x) is Number, then
+	if (Type(x) === 'number') {
+		// a. If x is NaN and y is NaN, return true.
+		if (isNaN(x) && isNaN(y)) {
+			return true;
+		}
+		// b. If x is +0 and y is -0, return true.
+		if (1/x === Infinity && 1/y === -Infinity) {
+			return true;
+		}
+		// c. If x is -0 and y is +0, return true.
+		if (1/x === -Infinity && 1/y === Infinity) {
+			return true;
+		}
+		// d. If x is the same Number value as y, return true.
+		if (x === y) {
+			return true;
+		}
+		// e. Return false.
+		return false;
+	}
+	// 3. Return SameValueNonNumber(x, y).
+	return SameValueNonNumber(x, y);
+}
+
 // _ESAbstract.ToPrimitive
 /* global Type, GetMethod, Call, OrdinaryToPrimitive */
 // 7.1.1. ToPrimitive ( input [ , PreferredType ] )
@@ -488,3819 +751,34 @@ function ToString(argument) { // eslint-disable-line no-unused-vars
 			return String(argument);
 	}
 }
-if (!('forEach' in Array.prototype)) {
-
-// Array.prototype.forEach
-/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
-// 22.1.3.10. Array.prototype.forEach ( callbackfn [ , thisArg ] )
-CreateMethodProperty(Array.prototype, 'forEach', function forEach(callbackfn /* [ , thisArg ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
-	// We will use arrayLike in place of O when we are iterating through the list.
-	var arraylike = O instanceof String ? O.split('') : O;
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
-	if (IsCallable(callbackfn) === false) {
-		throw new TypeError(callbackfn + ' is not a function');
-	}
-	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
-	var T = arguments.length > 1 ? arguments[1] : undefined;
-	// 5. Let k be 0.
-	var k = 0;
-	// 6. Repeat, while k < len
-	while (k < len) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Let kPresent be ? HasProperty(O, Pk).
-		var kPresent = HasProperty(arraylike, Pk);
-		// c. If kPresent is true, then
-		if (kPresent) {
-			// i. Let kValue be ? Get(O, Pk).
-			var kValue = Get(arraylike, Pk);
-			// ii. Perform ? Call(callbackfn, T, « kValue, k, O »).
-			Call(callbackfn, T, [kValue, k, O]);
-		}
-		// d. Increase k by 1.
-		k = k + 1;
-	}
-	// 7. Return undefined.
-	return undefined;
-});
 
+// _ESAbstract.UTF16Decode
+// 10.1.2. Static Semantics: UTF16Decode( lead, trail )
+function UTF16Decode(lead, trail) { // eslint-disable-line no-unused-vars
+	// 1. Assert: 0xD800 ≤ lead ≤ 0xDBFF and 0xDC00 ≤ trail ≤ 0xDFFF.
+	// 2. Let cp be (lead - 0xD800) × 0x400 + (trail - 0xDC00) + 0x10000.
+	var cp = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000;
+	// 3. Return the code point cp.
+	return cp;
 }
 
-
-// _ESAbstract.IsArray
-// 7.2.2. IsArray ( argument )
-function IsArray(argument) { // eslint-disable-line no-unused-vars
-	// 1. If Type(argument) is not Object, return false.
-	// 2. If argument is an Array exotic object, return true.
-	// 3. If argument is a Proxy exotic object, then
-		// a. If argument.[[ProxyHandler]] is null, throw a TypeError exception.
-		// b. Let target be argument.[[ProxyTarget]].
-		// c. Return ? IsArray(target).
-	// 4. Return false.
-
-	// Polyfill.io - We can skip all the above steps and check the string returned from Object.prototype.toString().
-	return Object.prototype.toString.call(argument) === '[object Array]';
-}
-
-// _ESAbstract.ArrayCreate
-// 9.4.2.2. ArrayCreate ( length [ , proto ] )
-function ArrayCreate(length /* [, proto] */) { // eslint-disable-line no-unused-vars
-	// 1. Assert: length is an integer Number ≥ 0.
-	// 2. If length is -0, set length to +0.
-	if (1 / length === -Infinity) {
-		length = 0;
-	}
-	// 3. If length>2^32-1, throw a RangeError exception.
-	if (length > (Math.pow(2, 32) - 1)) {
-		throw new RangeError('Invalid array length');
-	}
-	// 4. If proto is not present, set proto to the intrinsic object %ArrayPrototype%.
-	// 5. Let A be a newly created Array exotic object.
-	var A = [];
-	// 6. Set A's essential internal methods except for [[DefineOwnProperty]] to the default ordinary object definitions specified in 9.1.
-	// 7. Set A.[[DefineOwnProperty]] as specified in 9.4.2.1.
-	// 8. Set A.[[Prototype]] to proto.
-	// 9. Set A.[[Extensible]] to true.
-	// 10. Perform ! OrdinaryDefineOwnProperty(A, "length", PropertyDescriptor{[[Value]]: length, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false}).
-	A.length = length;
-	// 11. Return A.
-	return A;
-}
-
-// _ESAbstract.IsConstructor
-/* global Type */
-// 7.2.4. IsConstructor ( argument )
-function IsConstructor(argument) { // eslint-disable-line no-unused-vars
-	// 1. If Type(argument) is not Object, return false.
-	if (Type(argument) !== 'object') {
-		return false;
-	}
-	// 2. If argument has a [[Construct]] internal method, return true.
-	// 3. Return false.
-
-	// Polyfill.io - `new argument` is the only way  to truly test if a function is a constructor.
-	// We choose to not use`new argument` because the argument could have side effects when called.
-	// Instead we check to see if the argument is a function and if it has a prototype.
-	// Arrow functions do not have a [[Construct]] internal method, nor do they have a prototype.
-	return typeof argument === 'function' && !!argument.prototype;
-}
-
-// _ESAbstract.GetPrototypeFromConstructor
-/* global Get, Type */
-// 9.1.14. GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
-function GetPrototypeFromConstructor(constructor, intrinsicDefaultProto) { // eslint-disable-line no-unused-vars
-	// 1. Assert: intrinsicDefaultProto is a String value that is this specification's name of an intrinsic object. The corresponding object must be an intrinsic that is intended to be used as the [[Prototype]] value of an object.
-	// 2. Assert: IsCallable(constructor) is true.
-	// 3. Let proto be ? Get(constructor, "prototype").
-	var proto = Get(constructor, "prototype");
-	// 4. If Type(proto) is not Object, then
-	if (Type(proto) !== 'object') {
-		// a. Let realm be ? GetFunctionRealm(constructor).
-		// b. Set proto to realm's intrinsic object named intrinsicDefaultProto.
-		proto = intrinsicDefaultProto;
-	}
-	// 5. Return proto.
-	return proto;
-}
-if (!('keys' in Object && (function () {
-	// Safari 5.0 bug where Object.keys doesn't work with arguments
-	return (Object.keys(arguments)).length === 2;
-}(1, 2)) && (function () {
-	try {
-		// In ES6 Object.keys works on all object except `null` and `undefined`.
-		Object.keys('');
-		return true;
-	} catch (e) {
-		return false;
-	}
-}()))) {
-
-// Object.keys
-Object.keys = (function() {
-	'use strict';
-
-	// modified from https://github.com/es-shims/object-keys
-
-	var has = Object.prototype.hasOwnProperty;
-	var toStr = Object.prototype.toString;
-	var isEnumerable = Object.prototype.propertyIsEnumerable;
-	var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');
-	var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');
-	var dontEnums = [
-		'toString',
-		'toLocaleString',
-		'valueOf',
-		'hasOwnProperty',
-		'isPrototypeOf',
-		'propertyIsEnumerable',
-		'constructor'
-	];
-	var equalsConstructorPrototype = function (o) {
-		var ctor = o.constructor;
-		return ctor && ctor.prototype === o;
-	};
-	var excludedKeys = {
-		$console: true,
-		$external: true,
-		$frame: true,
-		$frameElement: true,
-		$frames: true,
-		$innerHeight: true,
-		$innerWidth: true,
-		$outerHeight: true,
-		$outerWidth: true,
-		$pageXOffset: true,
-		$pageYOffset: true,
-		$parent: true,
-		$scrollLeft: true,
-		$scrollTop: true,
-		$scrollX: true,
-		$scrollY: true,
-		$self: true,
-		$webkitIndexedDB: true,
-		$webkitStorageInfo: true,
-		$window: true
-	};
-	var hasAutomationEqualityBug = (function () {
-		/* global window */
-		if (typeof window === 'undefined') { return false; }
-		for (var k in window) {
-			try {
-				if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {
-					try {
-						equalsConstructorPrototype(window[k]);
-					} catch (e) {
-						return true;
-					}
-				}
-			} catch (e) {
-				return true;
-			}
-		}
-		return false;
-	}());
-	var equalsConstructorPrototypeIfNotBuggy = function (o) {
-		/* global window */
-		if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
-			return equalsConstructorPrototype(o);
-		}
-		try {
-			return equalsConstructorPrototype(o);
-		} catch (e) {
-			return false;
-		}
-	};
-
-	function isArgumentsObject(value) {
-		var str = toStr.call(value);
-		var isArgs = str === '[object Arguments]';
-		if (!isArgs) {
-			isArgs = str !== '[object Array]' &&
-				value !== null &&
-				typeof value === 'object' &&
-				typeof value.length === 'number' &&
-				value.length >= 0 &&
-				toStr.call(value.callee) === '[object Function]';
-		}
-		return isArgs;
-	}
-
-	return function keys(object) {
-		var isFunction = toStr.call(object) === '[object Function]';
-		var isArguments = isArgumentsObject(object);
-		var isString = toStr.call(object) === '[object String]';
-		var theKeys = [];
-
-		if (object === undefined || object === null) {
-			throw new TypeError('Cannot convert undefined or null to object');
-		}
-
-		var skipProto = hasProtoEnumBug && isFunction;
-		if (isString && object.length > 0 && !has.call(object, 0)) {
-			for (var i = 0; i < object.length; ++i) {
-				theKeys.push(String(i));
-			}
-		}
-
-		if (isArguments && object.length > 0) {
-			for (var j = 0; j < object.length; ++j) {
-				theKeys.push(String(j));
-			}
-		} else {
-			for (var name in object) {
-				if (!(skipProto && name === 'prototype') && has.call(object, name)) {
-					theKeys.push(String(name));
-				}
-			}
-		}
-
-		if (hasDontEnumBug) {
-			var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
-
-			for (var k = 0; k < dontEnums.length; ++k) {
-				if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {
-					theKeys.push(dontEnums[k]);
-				}
-			}
-		}
-		return theKeys;
-	};
-}());
-
-}
-
-if (!('bind' in Function.prototype)) {
-
-// Function.prototype.bind
-/* global CreateMethodProperty, IsCallable */
-// 19.2.3.2. Function.prototype.bind ( thisArg, ...args )
-// https://github.com/es-shims/es5-shim/blob/d6d7ff1b131c7ba14c798cafc598bb6780d37d3b/es5-shim.js#L182
-CreateMethodProperty(Function.prototype, 'bind', function bind(that) { // .length is 1
-	// add necessary es5-shim utilities
-	var $Array = Array;
-	var $Object = Object;
-	var ArrayPrototype = $Array.prototype;
-	var Empty = function Empty() { };
-	var array_slice = ArrayPrototype.slice;
-	var array_concat = ArrayPrototype.concat;
-	var array_push = ArrayPrototype.push;
-	var max = Math.max;
-	// /add necessary es5-shim utilities
-
-	// 1. Let Target be the this value.
-	var target = this;
-	// 2. If IsCallable(Target) is false, throw a TypeError exception.
-	if (!IsCallable(target)) {
-		throw new TypeError('Function.prototype.bind called on incompatible ' + target);
-	}
-	// 3. Let A be a new (possibly empty) internal list of all of the
-	//   argument values provided after thisArg (arg1, arg2 etc), in order.
-	// XXX slicedArgs will stand in for "A" if used
-	var args = array_slice.call(arguments, 1); // for normal call
-	// 4. Let F be a new native ECMAScript object.
-	// 11. Set the [[Prototype]] internal property of F to the standard
-	//   built-in Function prototype object as specified in 15.3.3.1.
-	// 12. Set the [[Call]] internal property of F as described in
-	//   15.3.4.5.1.
-	// 13. Set the [[Construct]] internal property of F as described in
-	//   15.3.4.5.2.
-	// 14. Set the [[HasInstance]] internal property of F as described in
-	//   15.3.4.5.3.
-	var bound;
-	var binder = function () {
-
-		if (this instanceof bound) {
-			// 15.3.4.5.2 [[Construct]]
-			// When the [[Construct]] internal method of a function object,
-			// F that was created using the bind function is called with a
-			// list of arguments ExtraArgs, the following steps are taken:
-			// 1. Let target be the value of F's [[TargetFunction]]
-			//   internal property.
-			// 2. If target has no [[Construct]] internal method, a
-			//   TypeError exception is thrown.
-			// 3. Let boundArgs be the value of F's [[BoundArgs]] internal
-			//   property.
-			// 4. Let args be a new list containing the same values as the
-			//   list boundArgs in the same order followed by the same
-			//   values as the list ExtraArgs in the same order.
-			// 5. Return the result of calling the [[Construct]] internal
-			//   method of target providing args as the arguments.
-
-			var result = target.apply(
-				this,
-				array_concat.call(args, array_slice.call(arguments))
-			);
-			if ($Object(result) === result) {
-				return result;
-			}
-			return this;
-
-		} else {
-			// 15.3.4.5.1 [[Call]]
-			// When the [[Call]] internal method of a function object, F,
-			// which was created using the bind function is called with a
-			// this value and a list of arguments ExtraArgs, the following
-			// steps are taken:
-			// 1. Let boundArgs be the value of F's [[BoundArgs]] internal
-			//   property.
-			// 2. Let boundThis be the value of F's [[BoundThis]] internal
-			//   property.
-			// 3. Let target be the value of F's [[TargetFunction]] internal
-			//   property.
-			// 4. Let args be a new list containing the same values as the
-			//   list boundArgs in the same order followed by the same
-			//   values as the list ExtraArgs in the same order.
-			// 5. Return the result of calling the [[Call]] internal method
-			//   of target providing boundThis as the this value and
-			//   providing args as the arguments.
-
-			// equiv: target.call(this, ...boundArgs, ...args)
-			return target.apply(
-				that,
-				array_concat.call(args, array_slice.call(arguments))
-			);
-
-		}
-
-	};
-
-	// 15. If the [[Class]] internal property of Target is "Function", then
-	//     a. Let L be the length property of Target minus the length of A.
-	//     b. Set the length own property of F to either 0 or L, whichever is
-	//       larger.
-	// 16. Else set the length own property of F to 0.
-
-	var boundLength = max(0, target.length - args.length);
-
-	// 17. Set the attributes of the length own property of F to the values
-	//   specified in 15.3.5.1.
-	var boundArgs = [];
-	for (var i = 0; i < boundLength; i++) {
-		array_push.call(boundArgs, '$' + i);
-	}
-
-	// XXX Build a dynamic function with desired amount of arguments is the only
-	// way to set the length property of a function.
-	// In environments where Content Security Policies enabled (Chrome extensions,
-	// for ex.) all use of eval or Function costructor throws an exception.
-	// However in all of these environments Function.prototype.bind exists
-	// and so this code will never be executed.
-	bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this, arguments); }')(binder);
-
-	if (target.prototype) {
-		Empty.prototype = target.prototype;
-		bound.prototype = new Empty();
-		// Clean up dangling references.
-		Empty.prototype = null;
-	}
-
-	// TODO
-	// 18. Set the [[Extensible]] internal property of F to true.
-
-	// TODO
-	// 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
-	// 20. Call the [[DefineOwnProperty]] internal method of F with
-	//   arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
-	//   thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
-	//   false.
-	// 21. Call the [[DefineOwnProperty]] internal method of F with
-	//   arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
-	//   [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
-	//   and false.
-
-	// TODO
-	// NOTE Function objects created using Function.prototype.bind do not
-	// have a prototype property or the [[Code]], [[FormalParameters]], and
-	// [[Scope]] internal properties.
-	// XXX can't delete prototype in pure-js.
-
-	// 22. Return F.
-	return bound;
-});
-
-}
-
-if (!('getOwnPropertyDescriptor' in Object && typeof Object.getOwnPropertyDescriptor === 'function' && (function() {
-    try {
-    	var object = {};
-        object.test = 0;
-        return Object.getOwnPropertyDescriptor(
-            object,
-            "test"
-        ).value === 0;
-    } catch (exception) {
-        return false
-    }
-}()))) {
-
-// Object.getOwnPropertyDescriptor
-/* global CreateMethodProperty */
-(function () {
-	var call = Function.prototype.call;
-	var prototypeOfObject = Object.prototype;
-	var owns = call.bind(prototypeOfObject.hasOwnProperty);
-
-	var lookupGetter;
-	var lookupSetter;
-	var supportsAccessors;
-	if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
-	    lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
-	    lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
-	}
-	function doesGetOwnPropertyDescriptorWork(object) {
-	    try {
-	        object.sentinel = 0;
-	        return Object.getOwnPropertyDescriptor(
-	            object,
-	            "sentinel"
-	        ).value === 0;
-	    } catch (exception) {
-	        // returns falsy
-	    }
-	}
-	// check whether getOwnPropertyDescriptor works if it's given. Otherwise,
-	// shim partially.
-	if (Object.defineProperty) {
-	    var getOwnPropertyDescriptorWorksOnObject =
-	        doesGetOwnPropertyDescriptorWork({});
-	    var getOwnPropertyDescriptorWorksOnDom = typeof document == "undefined" ||
-	        doesGetOwnPropertyDescriptorWork(document.createElement("div"));
-	    if (!getOwnPropertyDescriptorWorksOnDom ||
-	        !getOwnPropertyDescriptorWorksOnObject
-	    ) {
-	        var getOwnPropertyDescriptorFallback = Object.getOwnPropertyDescriptor;
-	    }
-	}
-
-	if (!Object.getOwnPropertyDescriptor || getOwnPropertyDescriptorFallback) {
-	    var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a non-object: ";
-
-	    CreateMethodProperty(Object, 'getOwnPropertyDescriptor', function getOwnPropertyDescriptor(object, property) {
-	        if ((typeof object != "object" && typeof object != "function") || object === null) {
-	            throw new TypeError(ERR_NON_OBJECT + object);
-	        }
-
-	        // make a valiant attempt to use the real getOwnPropertyDescriptor
-	        // for I8's DOM elements.
-	        if (getOwnPropertyDescriptorFallback) {
-	            try {
-	                return getOwnPropertyDescriptorFallback.call(Object, object, property);
-	            } catch (exception) {
-	                // try the shim if the real one doesn't work
-	            }
-	        }
-
-	        // If object does not owns property return undefined immediately.
-	        if (!owns(object, property)) {
-	            return;
-	        }
-
-	        // If object has a property then it's for sure both `enumerable` and
-	        // `configurable`.
-	        var descriptor = { enumerable: true, configurable: true };
-
-	        // If JS engine supports accessor properties then property may be a
-	        // getter or setter.
-	        if (supportsAccessors) {
-	            // Unfortunately `__lookupGetter__` will return a getter even
-	            // if object has own non getter property along with a same named
-	            // inherited getter. To avoid misbehavior we temporary remove
-	            // `__proto__` so that `__lookupGetter__` will return getter only
-	            // if it's owned by an object.
-	            var prototype = object.__proto__;
-	            object.__proto__ = prototypeOfObject;
-
-	            var getter = lookupGetter(object, property);
-	            var setter = lookupSetter(object, property);
-
-	            // Once we have getter and setter we can put values back.
-	            object.__proto__ = prototype;
-
-	            if (getter || setter) {
-	                if (getter) {
-	                    descriptor.get = getter;
-	                }
-	                if (setter) {
-	                    descriptor.set = setter;
-	                }
-	                // If it was accessor property we're done and return here
-	                // in order to avoid adding `value` to the descriptor.
-	                return descriptor;
-	            }
-	        }
-
-	        // If we got this far we know that object has an own property that is
-	        // not an accessor so we set it as a value and return descriptor.
-	        descriptor.value = object[property];
-			descriptor.writable = true;
-	        return descriptor;
-	    });
-	}
-}());
-
-}
-
-if (!('defineProperties' in Object)) {
-
-// Object.defineProperties
-/* global CreateMethodProperty, Get, ToObject, Type */
-// 19.1.2.3. Object.defineProperties ( O, Properties )
-CreateMethodProperty(Object, 'defineProperties', function defineProperties(O, Properties) {
-	// 1. If Type(O) is not Object, throw a TypeError exception.
-	if (Type(O) !== 'object') {
-		throw new TypeError('Object.defineProperties called on non-object');
-	}
-	// 2. Let props be ? ToObject(Properties).
-	var props = ToObject(Properties);
-	// 3. Let keys be ? props.[[OwnPropertyKeys]]().
-	/*
-		Polyfill.io - This step in our polyfill is not complying with the specification.
-		[[OwnPropertyKeys]] is meant to return ALL keys, including non-enumerable and symbols.
-		TODO: When we have Reflect.ownKeys, use that instead as it is the userland equivalent of [[OwnPropertyKeys]].
-	*/
-	var keys = Object.keys(props);
-	// 4. Let descriptors be a new empty List.
-	var descriptors = [];
-	// 5. For each element nextKey of keys in List order, do
-	for (var i = 0; i < keys.length; i++) {
-		var nextKey = keys[i];
-		// a. Let propDesc be ? props.[[GetOwnProperty]](nextKey).
-		var propDesc = Object.getOwnPropertyDescriptor(props, nextKey);
-		// b. If propDesc is not undefined and propDesc.[[Enumerable]] is true, then
-		if (propDesc !== undefined && propDesc.enumerable) {
-			// i. Let descObj be ? Get(props, nextKey).
-			var descObj = Get(props, nextKey);
-			// ii. Let desc be ? ToPropertyDescriptor(descObj).
-			// Polyfill.io - We skip this step because Object.defineProperty deals with it.
-			// TODO: Implement this step?
-			var desc = descObj;
-			// iii. Append the pair (a two element List) consisting of nextKey and desc to the end of descriptors.
-			descriptors.push([nextKey, desc]);
-		}
-	}
-	// 6. For each pair from descriptors in list order, do
-	for (var i = 0; i < descriptors.length; i++){
-		// a. Let P be the first element of pair.
-		var P = descriptors[i][0];
-		// b. Let desc be the second element of pair.
-		var desc = descriptors[i][1];
-		// c. Perform ? DefinePropertyOrThrow(O, P, desc).
-		Object.defineProperty(O, P, desc);
-	}
-	// 7. Return O.
-	return O;
-});
-
-}
-
-if (!('create' in Object)) {
-
-// Object.create
-/* global CreateMethodProperty, Type */
-CreateMethodProperty(Object, 'create', function create(O, properties) {
-	// 1. If Type(O) is neither Object nor Null, throw a TypeError exception.
-	if (Type(O) !== 'object' && Type(O) !== 'null') {
-		throw new TypeError('Object prototype may only be an Object or null');
-	}
-	// 2. Let obj be ObjectCreate(O).
-	var obj = new Function('e', 'function Object() {}Object.prototype=e;return new Object')(O);
-
-	obj.constructor.prototype = O;
-
-	// 3. If Properties is not undefined, then
-	if (1 in arguments) {
-		// a. Return ? ObjectDefineProperties(obj, Properties).
-		return Object.defineProperties(obj, properties);
-	}
-
-	return obj;
-});
-
-}
-
-if (!('getPrototypeOf' in Object)) {
-
-// Object.getPrototypeOf
-/* global CreateMethodProperty */
-// Based on: https://github.com/es-shims/es5-shim/blob/master/es5-sham.js
-
-// https://github.com/es-shims/es5-shim/issues#issue/2
-// http://ejohn.org/blog/objectgetprototypeof/
-// recommended by fschaefer on github
-//
-// sure, and webreflection says ^_^
-// ... this will nerever possibly return null
-// ... Opera Mini breaks here with infinite loops
-CreateMethodProperty(Object, 'getPrototypeOf', function getPrototypeOf(object) {
-	if (object !== Object(object)) {
-		throw new TypeError('Object.getPrototypeOf called on non-object');
-	}
-	var proto = object.__proto__;
-	if (proto || proto === null) {
-		return proto;
-	} else if (typeof object.constructor == 'function' && object instanceof object.constructor) {
-    return object.constructor.prototype;
-  } else if (object instanceof Object) {
-		return Object.prototype;
+// _ESAbstract.UTF16Encoding
+// 10.1.1. Static Semantics: UTF16Encoding ( cp )
+function UTF16Encoding(cp) { // eslint-disable-line no-unused-vars
+	// 1. Assert: 0 ≤ cp ≤ 0x10FFFF.
+	// 2. If cp ≤ 0xFFFF, return cp.
+	if (cp <= 0xFFFF) {
+		return cp;
 	} else {
-		// Correctly return null for Objects created with `Object.create(null)`
-		// (shammed or native) or `{ __proto__: null}`.  Also returns null for
-		// cross-realm objects on browsers that lack `__proto__` support (like
-		// IE <11), but that's the best we can do.
-		return null;
-	}
-});
-
-}
-
-
-// _ESAbstract.OrdinaryCreateFromConstructor
-/* global GetPrototypeFromConstructor */
-// 9.1.13. OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
-function OrdinaryCreateFromConstructor(constructor, intrinsicDefaultProto) { // eslint-disable-line no-unused-vars
-	var internalSlotsList = arguments[2] || {};
-	// 1. Assert: intrinsicDefaultProto is a String value that is this specification's name of an intrinsic object.
-	// The corresponding object must be an intrinsic that is intended to be used as the[[Prototype]] value of an object.
-
-	// 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
-	var proto = GetPrototypeFromConstructor(constructor, intrinsicDefaultProto);
-
-	// 3. Return ObjectCreate(proto, internalSlotsList).
-	// Polyfill.io - We do not pass internalSlotsList to Object.create because Object.create does not use the default ordinary object definitions specified in 9.1.
-	var obj = Object.create(proto);
-	for (var name in internalSlotsList) {
-		if (Object.prototype.hasOwnProperty.call(internalSlotsList, name)) {
-			Object.defineProperty(obj, name, {
-				configurable: true,
-				enumerable: false,
-				writable: true,
-				value: internalSlotsList[name]
-			});
-		}
-	}
-	return obj;
-}
-
-// _ESAbstract.Construct
-/* global IsConstructor, OrdinaryCreateFromConstructor, Call */
-// 7.3.13. Construct ( F [ , argumentsList [ , newTarget ]] )
-function Construct(F /* [ , argumentsList [ , newTarget ]] */) { // eslint-disable-line no-unused-vars
-	// 1. If newTarget is not present, set newTarget to F.
-	var newTarget = arguments.length > 2 ? arguments[2] : F;
-
-	// 2. If argumentsList is not present, set argumentsList to a new empty List.
-	var argumentsList = arguments.length > 1 ? arguments[1] : [];
-
-	// 3. Assert: IsConstructor(F) is true.
-	if (!IsConstructor(F)) {
-		throw new TypeError('F must be a constructor.');
-	}
-
-	// 4. Assert: IsConstructor(newTarget) is true.
-	if (!IsConstructor(newTarget)) {
-		throw new TypeError('newTarget must be a constructor.');
-	}
-
-	// 5. Return ? F.[[Construct]](argumentsList, newTarget).
-	// Polyfill.io - If newTarget is the same as F, it is equivalent to new F(...argumentsList).
-	if (newTarget === F) {
-		return new (Function.prototype.bind.apply(F, [null].concat(argumentsList)))();
-	} else {
-		// Polyfill.io - This is mimicking section 9.2.2 step 5.a.
-		var obj = OrdinaryCreateFromConstructor(newTarget, Object.prototype);
-		return Call(F, obj, argumentsList);
+		// 3. Let cu1 be floor((cp - 0x10000) / 0x400) + 0xD800.
+		var cu1 = Math.floor((cp - 0x10000) / 0x400) + 0xD800;
+		// 4. Let cu2 be ((cp - 0x10000) modulo 0x400) + 0xDC00.
+		var cu2 = ((cp - 0x10000) % 0x400) + 0xDC00;
+		// 5. Return the code unit sequence consisting of cu1 followed by cu2.
+		return [cu1, cu2];
 	}
 }
 
-// _ESAbstract.ArraySpeciesCreate
-/* global IsArray, ArrayCreate, Get, Type, IsConstructor, Construct */
-// 9.4.2.3. ArraySpeciesCreate ( originalArray, length )
-function ArraySpeciesCreate(originalArray, length) { // eslint-disable-line no-unused-vars
-	// 1. Assert: length is an integer Number ≥ 0.
-	// 2. If length is -0, set length to +0.
-	if (1/length === -Infinity) {
-		length = 0;
-	}
-
-	// 3. Let isArray be ? IsArray(originalArray).
-	var isArray = IsArray(originalArray);
-
-	// 4. If isArray is false, return ? ArrayCreate(length).
-	if (isArray === false) {
-		return ArrayCreate(length);
-	}
-
-	// 5. Let C be ? Get(originalArray, "constructor").
-	var C = Get(originalArray, 'constructor');
-
-	// Polyfill.io - We skip this section as not sure how to make a cross-realm normal Array, a same-realm Array.
-	// 6. If IsConstructor(C) is true, then
-	// if (IsConstructor(C)) {
-		// a. Let thisRealm be the current Realm Record.
-		// b. Let realmC be ? GetFunctionRealm(C).
-		// c. If thisRealm and realmC are not the same Realm Record, then
-			// i. If SameValue(C, realmC.[[Intrinsics]].[[%Array%]]) is true, set C to undefined.
-	// }
-	// 7. If Type(C) is Object, then
-	if (Type(C) === 'object') {
-		// a. Set C to ? Get(C, @@species).
-		C = 'Symbol' in this && 'species' in this.Symbol ? Get(C, this.Symbol.species) : undefined;
-		// b. If C is null, set C to undefined.
-		if (C === null) {
-			C = undefined;
-		}
-	}
-	// 8. If C is undefined, return ? ArrayCreate(length).
-	if (C === undefined) {
-		return ArrayCreate(length);
-	}
-	// 9. If IsConstructor(C) is false, throw a TypeError exception.
-	if (!IsConstructor(C)) {
-		throw new TypeError('C must be a constructor');
-	}
-	// 10. Return ? Construct(C, « length »).
-	return Construct(C, [length]);
-}
-
-// _ESAbstract.ToBoolean
-// 7.1.2. ToBoolean ( argument )
-// The abstract operation ToBoolean converts argument to a value of type Boolean according to Table 9:
-/*
---------------------------------------------------------------------------------------------------------------
-| Argument Type | Result                                                                                     |
---------------------------------------------------------------------------------------------------------------
-| Undefined     | Return false.                                                                              |
-| Null          | Return false.                                                                              |
-| Boolean       | Return argument.                                                                           |
-| Number        | If argument is +0, -0, or NaN, return false; otherwise return true.                        |
-| String        | If argument is the empty String (its length is zero), return false; otherwise return true. |
-| Symbol        | Return true.                                                                               |
-| Object        | Return true.                                                                               |
---------------------------------------------------------------------------------------------------------------
-*/
-function ToBoolean(argument) { // eslint-disable-line no-unused-vars
-	return Boolean(argument);
-}
-
-// _ESAbstract.CreateDataProperty
-// 7.3.4. CreateDataProperty ( O, P, V )
-// NOTE
-// This abstract operation creates a property whose attributes are set to the same defaults used for properties created by the ECMAScript language assignment operator.
-// Normally, the property will not already exist. If it does exist and is not configurable or if O is not extensible, [[DefineOwnProperty]] will return false.
-function CreateDataProperty(O, P, V) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(O) is Object.
-	// 2. Assert: IsPropertyKey(P) is true.
-	// 3. Let newDesc be the PropertyDescriptor{ [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true, [[Configurable]]: true }.
-	var newDesc = {
-		value: V,
-		writable: true,
-		enumerable: true,
-		configurable: true
-	};
-	// 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
-	try {
-		Object.defineProperty(O, P, newDesc);
-		return true;
-	} catch (e) {
-		return false;
-	}
-}
-
-// _ESAbstract.CreateDataPropertyOrThrow
-/* global CreateDataProperty */
-// 7.3.6. CreateDataPropertyOrThrow ( O, P, V )
-function CreateDataPropertyOrThrow(O, P, V) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(O) is Object.
-	// 2. Assert: IsPropertyKey(P) is true.
-	// 3. Let success be ? CreateDataProperty(O, P, V).
-	var success = CreateDataProperty(O, P, V);
-	// 4. If success is false, throw a TypeError exception.
-	if (!success) {
-		throw new TypeError('Cannot assign value `' + Object.prototype.toString.call(V) + '` to property `' + Object.prototype.toString.call(P) + '` on object `' + Object.prototype.toString.call(O) + '`');
-	}
-	// 5. Return success.
-	return success;
-}
-if (!('filter' in Array.prototype)) {
-
-// Array.prototype.filter
-/* global CreateMethodProperty, ToObject, ToLength, Get, IsCallable, ArraySpeciesCreate, ToString, HasProperty, ToBoolean, Call, CreateDataPropertyOrThrow */
-// 22.1.3.7. Array.prototype.filter ( callbackfn [ , thisArg ] )
-CreateMethodProperty(Array.prototype, 'filter', function filter(callbackfn /* [ , thisArg ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
-	if (IsCallable(callbackfn) === false) {
-		throw new TypeError(callbackfn + ' is not a function');
-	}
-	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
-	var T = arguments.length > 1 ? arguments[1] : undefined;
-	// 5. Let A be ? ArraySpeciesCreate(O, 0).
-	var A = ArraySpeciesCreate(O, 0);
-	// 6. Let k be 0.
-	var k = 0;
-	// 7. Let to be 0.
-	var to = 0;
-	// 8. Repeat, while k < len
-	while (k < len) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Let kPresent be ? HasProperty(O, Pk).
-		var kPresent = HasProperty(O, Pk);
-		// c. If kPresent is true, then
-		if (kPresent) {
-			// i. Let kValue be ? Get(O, Pk).
-			var kValue = Get(O, Pk);
-			// ii. Let selected be ToBoolean(? Call(callbackfn, T, « kValue, k, O »)).
-			var selected = ToBoolean(Call(callbackfn, T, [kValue, k, O]));
-			// iii. If selected is true, then
-			if (selected) {
-				// 1. Perform ? CreateDataPropertyOrThrow(A, ! ToString(to), kValue)
-				CreateDataPropertyOrThrow(A, ToString(to), kValue);
-				// 2. Increase to by 1.
-				to = to + 1;
-			}
-
-		}
-		// d. Increase k by 1.
-		k = k + 1;
-	}
-	// 9. Return A.
-	return A;
-});
-
-}
-
-if (!('map' in Array.prototype)) {
-
-// Array.prototype.map
-/* global ArraySpeciesCreate, Call, CreateDataPropertyOrThrow, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
-/* global CreateMethodProperty, ToObject, ToLength, Get, ArraySpeciesCreate, ToString, HasProperty, Call, CreateDataPropertyOrThrow */
-// 22.1.3.16. Array.prototype.map ( callbackfn [ , thisArg ] )
-CreateMethodProperty(Array.prototype, 'map', function map(callbackfn /* [ , thisArg ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
-	if (IsCallable(callbackfn) === false) {
-		throw new TypeError(callbackfn + ' is not a function');
-	}
-	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
-	var T = arguments.length > 1 ? arguments[1] : undefined;
-	// 5. Let A be ? ArraySpeciesCreate(O, len).
-	var A = ArraySpeciesCreate(O, len);
-	// 6. Let k be 0.
-	var k = 0;
-	// 7. Repeat, while k < len
-	while (k < len) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Let kPresent be ? HasProperty(O, Pk).
-		var kPresent = HasProperty(O, Pk);
-		// c. If kPresent is true, then
-		if (kPresent) {
-			// i. Let kValue be ? Get(O, Pk).
-			var kValue = Get(O, Pk);
-			// ii. Let mappedValue be ? Call(callbackfn, T, « kValue, k, O »).
-			var mappedValue = Call(callbackfn, T, [kValue, k, O]);
-			// iii. Perform ? CreateDataPropertyOrThrow(A, Pk, mappedValue).
-			CreateDataPropertyOrThrow(A, Pk, mappedValue);
-		}
-		// d. Increase k by 1.
-		k = k + 1;
-	}
-	// 8. Return A.
-	return A;
-});
-
-}
-
-if (!('getOwnPropertyNames' in Object)) {
-
-// Object.getOwnPropertyNames
-/* global CreateMethodProperty */
-
-var toString = ({}).toString;
-var split = ''.split;
-
-CreateMethodProperty(Object, 'getOwnPropertyNames', function getOwnPropertyNames(object) {
-	var buffer = [];
-	var key;
-
-	// Non-enumerable properties cannot be discovered but can be checked for by name.
-	// Define those used internally by JS to allow an incomplete solution
-	var commonProps = ['length', "name", "arguments", "caller", "prototype", "observe", "unobserve"];
-
-	if (typeof object === 'undefined' || object === null) {
-		throw new TypeError('Cannot convert undefined or null to object');
-	}
-
-	// Polyfill.io fallback for non-array-like strings which exist in some ES3 user-agents (IE 8)
-	object = toString.call(object) == '[object String]' ? split.call(object, '') : Object(object);
-
-	// Enumerable properties only
-	for (key in object) {
-		if (Object.prototype.hasOwnProperty.call(object, key)) {
-			buffer.push(key);
-		}
-	}
-
-	// Check for and add the common non-enumerable properties
-	for (var i=0, s=commonProps.length; i<s; i++) {
-		if (commonProps[i] in object) buffer.push(commonProps[i]);
-	}
-
-	return buffer;
-});
-
-}
-
-if (!('freeze' in Object)) {
-
-// Object.freeze
-/* global CreateMethodProperty */
-// 19.1.2.6. Object.freeze ( O )
-CreateMethodProperty(Object, 'freeze', function freeze(O) {
-	// This feature cannot be implemented fully as a polyfill.
-	// We choose to silently fail which allows "securable" code
-	// to "gracefully" degrade to working but insecure code.
-	return O;
-});
-
-}
-
-if (!('Symbol' in this && this.Symbol.length === 0)) {
-
-// Symbol
-// A modification of https://github.com/WebReflection/get-own-property-symbols
-// (C) Andrea Giammarchi - MIT Licensed
-
-(function (Object, GOPS, global) {
-
-	var	setDescriptor;
-	var id = 0;
-	var random = '' + Math.random();
-	var prefix = '__\x01symbol:';
-	var prefixLength = prefix.length;
-	var internalSymbol = '__\x01symbol@@' + random;
-	var DP = 'defineProperty';
-	var DPies = 'defineProperties';
-	var GOPN = 'getOwnPropertyNames';
-	var GOPD = 'getOwnPropertyDescriptor';
-	var PIE = 'propertyIsEnumerable';
-	var ObjectProto = Object.prototype;
-	var hOP = ObjectProto.hasOwnProperty;
-	var pIE = ObjectProto[PIE];
-	var toString = ObjectProto.toString;
-	var concat = Array.prototype.concat;
-	var cachedWindowNames = typeof window === 'object' ? Object.getOwnPropertyNames(window) : [];
-	var nGOPN = Object[GOPN];
-	var gOPN = function getOwnPropertyNames (obj) {
-		if (toString.call(obj) === '[object Window]') {
-			try {
-				return nGOPN(obj);
-			} catch (e) {
-				// IE bug where layout engine calls userland gOPN for cross-domain `window` objects
-				return concat.call([], cachedWindowNames);
-			}
-		}
-		return nGOPN(obj);
-	};
-	var gOPD = Object[GOPD];
-	var create = Object.create;
-	var keys = Object.keys;
-	var freeze = Object.freeze || Object;
-	var defineProperty = Object[DP];
-	var $defineProperties = Object[DPies];
-	var descriptor = gOPD(Object, GOPN);
-	var addInternalIfNeeded = function (o, uid, enumerable) {
-		if (!hOP.call(o, internalSymbol)) {
-			try {
-				defineProperty(o, internalSymbol, {
-					enumerable: false,
-					configurable: false,
-					writable: false,
-					value: {}
-				});
-			} catch (e) {
-				o[internalSymbol] = {};
-			}
-		}
-		o[internalSymbol]['@@' + uid] = enumerable;
-	};
-	var createWithSymbols = function (proto, descriptors) {
-		var self = create(proto);
-		gOPN(descriptors).forEach(function (key) {
-			if (propertyIsEnumerable.call(descriptors, key)) {
-				$defineProperty(self, key, descriptors[key]);
-			}
-		});
-		return self;
-	};
-	var copyAsNonEnumerable = function (descriptor) {
-		var newDescriptor = create(descriptor);
-		newDescriptor.enumerable = false;
-		return newDescriptor;
-	};
-	var get = function get(){};
-	var onlyNonSymbols = function (name) {
-		return name != internalSymbol &&
-			!hOP.call(source, name);
-	};
-	var onlySymbols = function (name) {
-		return name != internalSymbol &&
-			hOP.call(source, name);
-	};
-	var propertyIsEnumerable = function propertyIsEnumerable(key) {
-		var uid = '' + key;
-		return onlySymbols(uid) ? (
-			hOP.call(this, uid) &&
-			this[internalSymbol]['@@' + uid]
-		) : pIE.call(this, key);
-	};
-	var setAndGetSymbol = function (uid) {
-		var descriptor = {
-			enumerable: false,
-			configurable: true,
-			get: get,
-			set: function (value) {
-			setDescriptor(this, uid, {
-				enumerable: false,
-				configurable: true,
-				writable: true,
-				value: value
-			});
-			addInternalIfNeeded(this, uid, true);
-			}
-		};
-		try {
-			defineProperty(ObjectProto, uid, descriptor);
-		} catch (e) {
-			ObjectProto[uid] = descriptor.value;
-		}
-		return freeze(source[uid] = defineProperty(
-			Object(uid),
-			'constructor',
-			sourceConstructor
-		));
-	};
-	var Symbol = function Symbol() {
-		var description = arguments[0];
-		if (this instanceof Symbol) {
-			throw new TypeError('Symbol is not a constructor');
-		}
-		return setAndGetSymbol(
-			prefix.concat(description || '', random, ++id)
-		);
-		};
-	var source = create(null);
-	var sourceConstructor = {value: Symbol};
-	var sourceMap = function (uid) {
-		return source[uid];
-		};
-	var $defineProperty = function defineProp(o, key, descriptor) {
-		var uid = '' + key;
-		if (onlySymbols(uid)) {
-			setDescriptor(o, uid, descriptor.enumerable ?
-				copyAsNonEnumerable(descriptor) : descriptor);
-			addInternalIfNeeded(o, uid, !!descriptor.enumerable);
-		} else {
-			defineProperty(o, key, descriptor);
-		}
-		return o;
-	};
-
-	var onlyInternalSymbols = function (obj) {
-		return function (name) {
-			return hOP.call(obj, internalSymbol) && hOP.call(obj[internalSymbol], '@@' + name);
-		};
-	};
-	var $getOwnPropertySymbols = function getOwnPropertySymbols(o) {
-		return gOPN(o).filter(o === ObjectProto ? onlyInternalSymbols(o) : onlySymbols).map(sourceMap);
-		}
-	;
-
-	descriptor.value = $defineProperty;
-	defineProperty(Object, DP, descriptor);
-
-	descriptor.value = $getOwnPropertySymbols;
-	defineProperty(Object, GOPS, descriptor);
-
-	descriptor.value = function getOwnPropertyNames(o) {
-		return gOPN(o).filter(onlyNonSymbols);
-	};
-	defineProperty(Object, GOPN, descriptor);
-
-	descriptor.value = function defineProperties(o, descriptors) {
-		var symbols = $getOwnPropertySymbols(descriptors);
-		if (symbols.length) {
-		keys(descriptors).concat(symbols).forEach(function (uid) {
-			if (propertyIsEnumerable.call(descriptors, uid)) {
-			$defineProperty(o, uid, descriptors[uid]);
-			}
-		});
-		} else {
-		$defineProperties(o, descriptors);
-		}
-		return o;
-	};
-	defineProperty(Object, DPies, descriptor);
-
-	descriptor.value = propertyIsEnumerable;
-	defineProperty(ObjectProto, PIE, descriptor);
-
-	descriptor.value = Symbol;
-	defineProperty(global, 'Symbol', descriptor);
-
-	// defining `Symbol.for(key)`
-	descriptor.value = function (key) {
-		var uid = prefix.concat(prefix, key, random);
-		return uid in ObjectProto ? source[uid] : setAndGetSymbol(uid);
-	};
-	defineProperty(Symbol, 'for', descriptor);
-
-	// defining `Symbol.keyFor(symbol)`
-	descriptor.value = function (symbol) {
-		if (onlyNonSymbols(symbol))
-		throw new TypeError(symbol + ' is not a symbol');
-		return hOP.call(source, symbol) ?
-		symbol.slice(prefixLength * 2, -random.length) :
-		void 0
-		;
-	};
-	defineProperty(Symbol, 'keyFor', descriptor);
-
-	descriptor.value = function getOwnPropertyDescriptor(o, key) {
-		var descriptor = gOPD(o, key);
-		if (descriptor && onlySymbols(key)) {
-		descriptor.enumerable = propertyIsEnumerable.call(o, key);
-		}
-		return descriptor;
-	};
-	defineProperty(Object, GOPD, descriptor);
-
-	descriptor.value = function (proto, descriptors) {
-		return arguments.length === 1 || typeof descriptors === "undefined" ?
-		create(proto) :
-		createWithSymbols(proto, descriptors);
-	};
-	defineProperty(Object, 'create', descriptor);
-
-	descriptor.value = function () {
-		var str = toString.call(this);
-		return (str === '[object String]' && onlySymbols(this)) ? '[object Symbol]' : str;
-	};
-	defineProperty(ObjectProto, 'toString', descriptor);
-
-
-	setDescriptor = function (o, key, descriptor) {
-		var protoDescriptor = gOPD(ObjectProto, key);
-		delete ObjectProto[key];
-		defineProperty(o, key, descriptor);
-		if (o !== ObjectProto) {
-			defineProperty(ObjectProto, key, protoDescriptor);
-		}
-	};
-
-}(Object, 'getOwnPropertySymbols', this));
-
-}
-
-if (!('Symbol' in this && 'iterator' in this.Symbol)) {
-
-// Symbol.iterator
-/* global Symbol */
-Object.defineProperty(Symbol, 'iterator', { value: Symbol('iterator') });
-
-}
-
-
-// _ESAbstract.GetIterator
-/* global GetMethod, Symbol, Call, Type, GetV */
-// 7.4.1. GetIterator ( obj [ , method ] )
-// The abstract operation GetIterator with argument obj and optional argument method performs the following steps:
-function GetIterator(obj /*, method */) { // eslint-disable-line no-unused-vars
-	// 1. If method is not present, then
-		// a. Set method to ? GetMethod(obj, @@iterator).
-	var method = arguments.length > 1 ? arguments[1] : GetMethod(obj, Symbol.iterator);
-	// 2. Let iterator be ? Call(method, obj).
-	var iterator = Call(method, obj);
-	// 3. If Type(iterator) is not Object, throw a TypeError exception.
-	if (Type(iterator) !== 'object') {
-		throw new TypeError('bad iterator');
-	}
-	// 4. Let nextMethod be ? GetV(iterator, "next").
-	var nextMethod = GetV(iterator, "next");
-	// 5. Let iteratorRecord be Record {[[Iterator]]: iterator, [[NextMethod]]: nextMethod, [[Done]]: false}.
-	var iteratorRecord = Object.create(null);
-	iteratorRecord['[[Iterator]]'] = iterator;
-	iteratorRecord['[[NextMethod]]'] = nextMethod;
-	iteratorRecord['[[Done]]'] = false;
-	// 6. Return iteratorRecord.
-	return iteratorRecord;
-}
-
-// _ESAbstract.IteratorClose
-/* global GetMethod, Type, Call */
-// 7.4.6. IteratorClose ( iteratorRecord, completion )
-function IteratorClose(iteratorRecord, completion) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(iteratorRecord.[[Iterator]]) is Object.
-	if (Type(iteratorRecord['[[Iterator]]']) !== 'object') {
-		throw new Error(Object.prototype.toString.call(iteratorRecord['[[Iterator]]']) + 'is not an Object.');
-	}
-	// 2. Assert: completion is a Completion Record.
-	// Polyfill.io - Ignoring this step as there is no way to check if something is a Completion Record in userland JavaScript.
-
-	// 3. Let iterator be iteratorRecord.[[Iterator]].
-	var iterator = iteratorRecord['[[Iterator]]'];
-	// 4. Let return be ? GetMethod(iterator, "return").
-	// Polyfill.io - We name it  returnMethod because return is a keyword and can not be used as an identifier (E.G. variable name, function name etc).
-	var returnMethod = GetMethod(iterator, "return");
-	// 5. If return is undefined, return Completion(completion).
-	if (returnMethod === undefined) {
-		return completion;
-	}
-	// 6. Let innerResult be Call(return, iterator, « »).
-	try {
-		var innerResult = Call(returnMethod, iterator);
-	} catch (error) {
-		var innerException = error;
-	}
-	// 7. If completion.[[Type]] is throw, return Completion(completion).
-	if (completion) {
-		return completion;
-	}
-	// 8. If innerResult.[[Type]] is throw, return Completion(innerResult).
-	if (innerException) {
-		throw innerException;
-	}
-	// 9. If Type(innerResult.[[Value]]) is not Object, throw a TypeError exception.
-	if (Type(innerResult) !== 'object') {
-		throw new TypeError("Iterator's return method returned a non-object.");
-	}
-	// 10. Return Completion(completion).
-	return completion;
-}
-
-// _ESAbstract.IteratorNext
-/* global Call, Type */
-// 7.4.2. IteratorNext ( iteratorRecord [ , value ] )
-function IteratorNext(iteratorRecord /* [, value] */) { // eslint-disable-line no-unused-vars
-	// 1. If value is not present, then
-	if (arguments.length < 2) {
-		// a. Let result be ? Call(iteratorRecord.[[NextMethod]], iteratorRecord.[[Iterator]], « »).
-		var result = Call(iteratorRecord['[[NextMethod]]'], iteratorRecord['[[Iterator]]']);
-	// 2. Else,
-	} else {
-		// a. Let result be ? Call(iteratorRecord.[[NextMethod]], iteratorRecord.[[Iterator]], « value »).
-		result = Call(iteratorRecord['[[NextMethod]]'], iteratorRecord['[[Iterator]]'], [arguments[1]]);
-	}
-	// 3. If Type(result) is not Object, throw a TypeError exception.
-	if (Type(result) !== 'object') {
-		throw new TypeError('bad iterator');
-	}
-	// 4. Return result.
-	return result;
-}
-
-// _ESAbstract.IteratorComplete
-/* global Type, ToBoolean, Get */
-// 7.4.3 IteratorComplete ( iterResult )
-function IteratorComplete(iterResult) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(iterResult) is Object.
-	if (Type(iterResult) !== 'object') {
-		throw new Error(Object.prototype.toString.call(iterResult) + 'is not an Object.');
-	}
-	// 2. Return ToBoolean(? Get(iterResult, "done")).
-	return ToBoolean(Get(iterResult, "done"));
-}
-
-// _ESAbstract.IteratorStep
-/* global IteratorNext, IteratorComplete */
-// 7.4.5. IteratorStep ( iteratorRecord )
-function IteratorStep(iteratorRecord) { // eslint-disable-line no-unused-vars
-	// 1. Let result be ? IteratorNext(iteratorRecord).
-	var result = IteratorNext(iteratorRecord);
-	// 2. Let done be ? IteratorComplete(result).
-	var done = IteratorComplete(result);
-	// 3. If done is true, return false.
-	if (done === true) {
-		return false;
-	}
-	// 4. Return result.
-	return result;
-}
-
-// _ESAbstract.IteratorValue
-/* global Type, Get */
-// 7.4.4 IteratorValue ( iterResult )
-function IteratorValue(iterResult) { // eslint-disable-line no-unused-vars
-	// Assert: Type(iterResult) is Object.
-	if (Type(iterResult) !== 'object') {
-		throw new Error(Object.prototype.toString.call(iterResult) + 'is not an Object.');
-	}
-	// Return ? Get(iterResult, "value").
-	return Get(iterResult, "value");
-}
-
-// _ESAbstract.CreateIterResultObject
-/* global Type, CreateDataProperty */
-// 7.4.7. CreateIterResultObject ( value, done )
-function CreateIterResultObject(value, done) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(done) is Boolean.
-	if (Type(done) !== 'boolean') {
-		throw new Error();
-	}
-	// 2. Let obj be ObjectCreate(%ObjectPrototype%).
-	var obj = {};
-	// 3. Perform CreateDataProperty(obj, "value", value).
-	CreateDataProperty(obj, "value", value);
-	// 4. Perform CreateDataProperty(obj, "done", done).
-	CreateDataProperty(obj, "done", done);
-	// 5. Return obj.
-	return obj;
-}
-
-// _ESAbstract.SameValueNonNumber
-// 7.2.12. SameValueNonNumber ( x, y )
-function SameValueNonNumber(x, y) { // eslint-disable-line no-unused-vars
-	// 1. Assert: Type(x) is not Number.
-	// 2. Assert: Type(x) is the same as Type(y).
-	// 3. If Type(x) is Undefined, return true.
-	// 4. If Type(x) is Null, return true.
-	// 5. If Type(x) is String, then
-		// a. If x and y are exactly the same sequence of code units (same length and same code units at corresponding indices), return true; otherwise, return false.
-	// 6. If Type(x) is Boolean, then
-		// a. If x and y are both true or both false, return true; otherwise, return false.
-	// 7. If Type(x) is Symbol, then
-		// a. If x and y are both the same Symbol value, return true; otherwise, return false.
-	// 8. If x and y are the same Object value, return true. Otherwise, return false.
-
-	// Polyfill.io - We can skip all above steps because the === operator does it all for us.
-	return x === y;
-}
-
-// _ESAbstract.SameValueZero
-/* global Type, SameValueNonNumber */
-// 7.2.11. SameValueZero ( x, y )
-function SameValueZero (x, y) { // eslint-disable-line no-unused-vars
-	// 1. If Type(x) is different from Type(y), return false.
-	if (Type(x) !== Type(y)) {
-		return false;
-	}
-	// 2. If Type(x) is Number, then
-	if (Type(x) === 'number') {
-		// a. If x is NaN and y is NaN, return true.
-		if (isNaN(x) && isNaN(y)) {
-			return true;
-		}
-		// b. If x is +0 and y is -0, return true.
-		if (1/x === Infinity && 1/y === -Infinity) {
-			return true;
-		}
-		// c. If x is -0 and y is +0, return true.
-		if (1/x === -Infinity && 1/y === Infinity) {
-			return true;
-		}
-		// d. If x is the same Number value as y, return true.
-		if (x === y) {
-			return true;
-		}
-		// e. Return false.
-		return false;
-	}
-	// 3. Return SameValueNonNumber(x, y).
-	return SameValueNonNumber(x, y);
-}
-if (!('isArray' in Array)) {
-
-// Array.isArray
-/* global CreateMethodProperty, IsArray */
-// 22.1.2.2. Array.isArray ( arg )
-CreateMethodProperty(Array, 'isArray', function isArray(arg) {
-	// 1. Return ? IsArray(arg).
-	return IsArray(arg);
-});
-
-}
-
-if (!('Symbol' in this && 'species' in this.Symbol)) {
-
-// Symbol.species
-/* global Symbol */
-Object.defineProperty(Symbol, 'species', { value: Symbol('species') });
-
-}
-
-if (!('Map' in this && (function() {
-	try {
-		var m = new Map([[1, 1], [2, 2]]);
-		if (Map.length === 0) {
-			if (m.size === 2) {
-				if ('Symbol' in this && 'iterator' in Symbol && typeof m[Symbol.iterator] === 'function') {
-					return true;
-				}
-			}
-		}
-		return false;
-	} catch (e) {
-		return false;
-	}
-}()))) {
-
-// Map
-/* global CreateIterResultObject, CreateMethodProperty, GetIterator, IsCallable, IteratorClose, IteratorStep, IteratorValue, OrdinaryCreateFromConstructor, SameValueZero, Type, Symbol */
-(function (global) {
-	var supportsGetters = (function () {
-		try {
-			var a = {};
-			Object.defineProperty(a, 't', {
-				configurable: true,
-				enumerable: false,
-				get: function () {
-					return true;
-				},
-				set: undefined
-			});
-			return !!a.t;
-		} catch (e) {
-			return false;
-		}
-	}());
-
-	// Deleted map items mess with iterator pointers, so rather than removing them mark them as deleted. Can't use undefined or null since those both valid keys so use a private symbol.
-	var undefMarker = Symbol('undef');
-	// 23.1.1.1 Map ( [ iterable ] )
-	var Map = function Map(/* iterable */) {
-		// 1. If NewTarget is undefined, throw a TypeError exception.
-		if (!(this instanceof Map)) {
-			throw new TypeError('Constructor Map requires "new"');
-		}
-		// 2. Let map be ? OrdinaryCreateFromConstructor(NewTarget, "%MapPrototype%", « [[MapData]] »).
-		var map = OrdinaryCreateFromConstructor(this, Map.prototype, {
-			_keys: [],
-			_values: [],
-			_size: 0,
-			_es6Map: true
-		});
-
-		// 3. Set map.[[MapData]] to a new empty List.
-		// Polyfill.io - This step was done as part of step two.
-
-		// Some old engines do not support ES5 getters/setters.  Since Map only requires these for the size property, we can fall back to setting the size property statically each time the size of the map changes.
-		if (!supportsGetters) {
-			Object.defineProperty(map, 'size', {
-				configurable: true,
-				enumerable: false,
-				writable: true,
-				value: 0
-			});
-		}
-
-		// 4. If iterable is not present, let iterable be undefined.
-		var iterable = arguments.length > 0 ? arguments[0] : undefined;
-
-		// 5. If iterable is either undefined or null, return map.
-		if (iterable === null || iterable === undefined) {
-			return map;
-		}
-
-		// 6. Let adder be ? Get(map, "set").
-		var adder = map.set;
-
-		// 7. If IsCallable(adder) is false, throw a TypeError exception.
-		if (!IsCallable(adder)) {
-			throw new TypeError("Map.prototype.set is not a function");
-		}
-
-		// 8. Let iteratorRecord be ? GetIterator(iterable).
-		try {
-			var iteratorRecord = GetIterator(iterable);
-			// 9. Repeat,
-			while (true) {
-				// a. Let next be ? IteratorStep(iteratorRecord).
-				var next = IteratorStep(iteratorRecord);
-				// b. If next is false, return map.
-				if (next === false) {
-					return map;
-				}
-				// c. Let nextItem be ? IteratorValue(next).
-				var nextItem = IteratorValue(next);
-				// d. If Type(nextItem) is not Object, then
-				if (Type(nextItem) !== 'object') {
-					// i. Let error be Completion{[[Type]]: throw, [[Value]]: a newly created TypeError object, [[Target]]: empty}.
-					try {
-						throw new TypeError('Iterator value ' + nextItem + ' is not an entry object');
-					} catch (error) {
-						// ii. Return ? IteratorClose(iteratorRecord, error).
-						return IteratorClose(iteratorRecord, error);
-					}
-				}
-				try {
-					// Polyfill.io - The try catch accounts for steps: f, h, and j.
-
-					// e. Let k be Get(nextItem, "0").
-					var k = nextItem[0];
-					// f. If k is an abrupt completion, return ? IteratorClose(iteratorRecord, k).
-					// g. Let v be Get(nextItem, "1").
-					var v = nextItem[1];
-					// h. If v is an abrupt completion, return ? IteratorClose(iteratorRecord, v).
-					// i. Let status be Call(adder, map, « k.[[Value]], v.[[Value]] »).
-					adder.call(map, k, v);
-				} catch (e) {
-					// j. If status is an abrupt completion, return ? IteratorClose(iteratorRecord, status).
-					return IteratorClose(iteratorRecord, e);
-				}
-			}
-		} catch (e) {
-			// Polyfill.io - For user agents which do not have iteration methods on argument objects or arrays, we can special case those.
-			if (Array.isArray(iterable) ||
-				Object.prototype.toString.call(iterable) === '[object Arguments]' ||
-				// IE 7 & IE 8 return '[object Object]' for the arguments object, we can detect by checking for the existence of the callee property
-				(!!iterable.callee)) {
-				var index;
-				var length = iterable.length;
-				for (index = 0; index < length; index++) {
-					adder.call(map, iterable[index][0], iterable[index][1]);
-				}
-			}
-		}
-		return map;
-	};
-
-	// 23.1.2.1. Map.prototype
-	// The initial value of Map.prototype is the intrinsic object %MapPrototype%.
-	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
-	Object.defineProperty(Map, 'prototype', {
-		configurable: false,
-		enumerable: false,
-		writable: false,
-		value: {}
-	});
-
-	// 23.1.2.2 get Map [ @@species ]
-	if (supportsGetters) {
-		Object.defineProperty(Map, Symbol.species, {
-			configurable: true,
-			enumerable: false,
-			get: function () {
-				// 1. Return the this value.
-				return this;
-			},
-			set: undefined
-		});
-	} else {
-		CreateMethodProperty(Map, Symbol.species, Map);
-	}
-
-	// 23.1.3.1 Map.prototype.clear ( )
-	CreateMethodProperty(Map.prototype, 'clear', function clear() {
-			// 1. Let M be the this value.
-			var M = this;
-			// 2. If Type(M) is not Object, throw a TypeError exception.
-			if (Type(M) !== 'object') {
-				throw new TypeError('Method Map.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
-			if (M._es6Map !== true) {
-				throw new TypeError('Method Map.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 4. Let entries be the List that is M.[[MapData]].
-			var entries = M._keys;
-			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
-			for (var i = 0; i < entries.length; i++) {
-				// 5.a. Set p.[[Key]] to empty.
-				M._keys[i] = undefMarker;
-				// 5.b. Set p.[[Value]] to empty.
-				M._values[i] = undefMarker;
-			}
-			this._size = 0;
-			if (!supportsGetters) {
-				this.size = this._size;
-			}
-			// 6. Return undefined.
-			return undefined;
-		}
-	);
-
-	// 23.1.3.2. Map.prototype.constructor
-	CreateMethodProperty(Map.prototype, 'constructor', Map);
-
-	// 23.1.3.3. Map.prototype.delete ( key )
-	CreateMethodProperty(Map.prototype, 'delete', function (key) {
-			// 1. Let M be the this value.
-			var M = this;
-			// 2. If Type(M) is not Object, throw a TypeError exception.
-			if (Type(M) !== 'object') {
-				throw new TypeError('Method Map.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
-			if (M._es6Map !== true) {
-				throw new TypeError('Method Map.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 4. Let entries be the List that is M.[[MapData]].
-			var entries = M._keys;
-			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
-			for (var i = 0; i < entries.length; i++) {
-				// a. If p.[[Key]] is not empty and SameValueZero(p.[[Key]], key) is true, then
-				if (M._keys[i] !== undefMarker && SameValueZero(M._keys[i], key)) {
-					// i. Set p.[[Key]] to empty.
-					this._keys[i] = undefMarker;
-					// ii. Set p.[[Value]] to empty.
-					this._values[i] = undefMarker;
-					this._size = --this._size;
-					if (!supportsGetters) {
-						this.size = this._size;
-					}
-					// iii. Return true.
-					return true;
-				}
-			}
-			// 6. Return false.
-			return false;
-		}
-	);
-
-	// 23.1.3.4. Map.prototype.entries ( )
-	CreateMethodProperty(Map.prototype, 'entries', function entries () {
-			// 1. Let M be the this value.
-			var M = this;
-			// 2. Return ? CreateMapIterator(M, "key+value").
-			return CreateMapIterator(M, 'key+value');
-		}
-	);
-
-	// 23.1.3.5. Map.prototype.forEach ( callbackfn [ , thisArg ] )
-	CreateMethodProperty(Map.prototype, 'forEach', function (callbackFn) {
-			// 1. Let M be the this value.
-			var M = this;
-			// 2. If Type(M) is not Object, throw a TypeError exception.
-			if (Type(M) !== 'object') {
-				throw new TypeError('Method Map.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
-			if (M._es6Map !== true) {
-				throw new TypeError('Method Map.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 4. If IsCallable(callbackfn) is false, throw a TypeError exception.
-			if (!IsCallable(callbackFn)) {
-				throw new TypeError(Object.prototype.toString.call(callbackFn) + ' is not a function.');
-			}
-			// 5. If thisArg is present, let T be thisArg; else let T be undefined.
-			if (arguments[1]) {
-				var T = arguments[1];
-			}
-			// 6. Let entries be the List that is M.[[MapData]].
-			var entries = M._keys;
-			// 7. For each Record {[[Key]], [[Value]]} e that is an element of entries, in original key insertion order, do
-			for (var i = 0; i < entries.length; i++) {
-				// a. If e.[[Key]] is not empty, then
-				if (M._keys[i] !== undefMarker && M._values[i] !== undefMarker ) {
-					// i. Perform ? Call(callbackfn, T, « e.[[Value]], e.[[Key]], M »).
-					callbackFn.call(T, M._values[i], M._keys[i], M);
-				}
-			}
-			// 8. Return undefined.
-			return undefined;
-		}
-	);
-
-	// 23.1.3.6. Map.prototype.get ( key )
-	CreateMethodProperty(Map.prototype, 'get', function get(key) {
-			// 1. Let M be the this value.
-			var M = this;
-			// 2. If Type(M) is not Object, throw a TypeError exception.
-			if (Type(M) !== 'object') {
-				throw new TypeError('Method Map.prototype.get called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
-			if (M._es6Map !== true) {
-				throw new TypeError('Method Map.prototype.get called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 4. Let entries be the List that is M.[[MapData]].
-			var entries = M._keys;
-			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
-			for (var i = 0; i < entries.length; i++) {
-				// a. If p.[[Key]] is not empty and SameValueZero(p.[[Key]], key) is true, return p.[[Value]].
-				if (M._keys[i] !== undefMarker && SameValueZero(M._keys[i], key)) {
-					return M._values[i];
-				}
-			}
-			// 6. Return undefined.
-			return undefined;
-		});
-
-	// 23.1.3.7. Map.prototype.has ( key )
-	CreateMethodProperty(Map.prototype, 'has', function has (key) {
-			// 1. Let M be the this value.
-			var M = this;
-			// 2. If Type(M) is not Object, throw a TypeError exception.
-			if (typeof M !== 'object') {
-				throw new TypeError('Method Map.prototype.has called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
-			if (M._es6Map !== true) {
-				throw new TypeError('Method Map.prototype.has called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 4. Let entries be the List that is M.[[MapData]].
-			var entries = M._keys;
-			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
-			for (var i = 0; i < entries.length; i++) {
-				// a. If p.[[Key]] is not empty and SameValueZero(p.[[Key]], key) is true, return true.
-				if (M._keys[i] !== undefMarker && SameValueZero(M._keys[i], key)) {
-					return true;
-				}
-			}
-			// 6. Return false.
-			return false;
-		});
-
-	// 23.1.3.8. Map.prototype.keys ( )
-	CreateMethodProperty(Map.prototype, 'keys', function keys () {
-			// 1. Let M be the this value.
-			var M = this;
-			// 2. Return ? CreateMapIterator(M, "key").
-			return CreateMapIterator(M, "key");
-		});
-
-	// 23.1.3.9. Map.prototype.set ( key, value )
-	CreateMethodProperty(Map.prototype, 'set', function set(key, value) {
-			// 1. Let M be the this value.
-			var M = this;
-			// 2. If Type(M) is not Object, throw a TypeError exception.
-			if (Type(M) !== 'object') {
-				throw new TypeError('Method Map.prototype.set called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
-			if (M._es6Map !== true) {
-				throw new TypeError('Method Map.prototype.set called on incompatible receiver ' + Object.prototype.toString.call(M));
-			}
-			// 4. Let entries be the List that is M.[[MapData]].
-			var entries = M._keys;
-			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
-			for (var i = 0; i < entries.length; i++) {
-				// a. If p.[[Key]] is not empty and SameValueZero(p.[[Key]], key) is true, then
-				if (M._keys[i] !== undefMarker && SameValueZero(M._keys[i], key)) {
-					// i. Set p.[[Value]] to value.
-					M._values[i] = value;
-					// Return M.
-					return M;
-				}
-			}
-			// 6. If key is -0, let key be +0.
-			if (1/key === -Infinity) {
-				key = 0;
-			}
-			// 7. Let p be the Record {[[Key]]: key, [[Value]]: value}.
-			var p = {};
-			p['[[Key]]'] = key;
-			p['[[Value]]'] = value;
-			// 8. Append p as the last element of entries.
-			M._keys.push(p['[[Key]]']);
-			M._values.push(p['[[Value]]']);
-			++M._size;
-			if (!supportsGetters) {
-				M.size = M._size;
-			}
-			// 9. Return M.
-			return M;
-		});
-
-	// 23.1.3.10. get Map.prototype.size
-	if (supportsGetters) {
-		Object.defineProperty(Map.prototype, 'size', {
-			configurable: true,
-			enumerable: false,
-			get: function () {
-				// 1. Let M be the this value.
-				var M = this;
-				// 2. If Type(M) is not Object, throw a TypeError exception.
-				if (Type(M) !== 'object') {
-					throw new TypeError('Method Map.prototype.size called on incompatible receiver ' + Object.prototype.toString.call(M));
-				}
-				// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
-				if (M._es6Map !== true) {
-					throw new TypeError('Method Map.prototype.size called on incompatible receiver ' + Object.prototype.toString.call(M));
-				}
-				// 4. Let entries be the List that is M.[[MapData]].
-				var entries = M._keys;
-				// 5. Let count be 0.
-				var count = 0;
-				// 6. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
-				for (var i = 0; i < entries.length; i++) {
-					// a. If p.[[Key]] is not empty, set count to count+1.
-					if (M._keys[i] !== undefMarker) {
-						count = count + 1;
-					}
-				}
-				// 7. Return count.
-				return count;
-			},
-			set: undefined
-		});
-	}
-
-	// 23.1.3.11. Map.prototype.values ( )
-	CreateMethodProperty(Map.prototype, 'values', function values () {
-			// 1. Let M be the this value.
-			var M = this;
-			// 2. Return ? CreateMapIterator(M, "value").
-			return CreateMapIterator(M, 'value');
-		}
-	);
-
-	// 23.1.3.12. Map.prototype [ @@iterator ] ( )
-	// The initial value of the @@iterator property is the same function object as the initial value of the entries property.
-	CreateMethodProperty(Map.prototype, Symbol.iterator, Map.prototype.entries);
-
-	// 23.1.3.13. Map.prototype [ @@toStringTag ]
-	// The initial value of the @@toStringTag property is the String value "Map".
-	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
-
-	// Polyfill.io - Safari 8 implements Map.name but as a non-configurable property, which means it would throw an error if we try and configure it here.
-	if (!('name' in Map)) {
-		// 19.2.4.2 name
-		Object.defineProperty(Map, 'name', {
-			configurable: true,
-			enumerable: false,
-			writable: false,
-			value: 'Map'
-		});
-	}
-
-	// 23.1.5.1. CreateMapIterator ( map, kind )
-	function CreateMapIterator(map, kind) {
-		// 1. If Type(map) is not Object, throw a TypeError exception.
-		if (Type(map) !== 'object') {
-			throw new TypeError('createMapIterator called on incompatible receiver ' + Object.prototype.toString.call(map));
-		}
-		// 2. If map does not have a [[MapData]] internal slot, throw a TypeError exception.
-		if (map._es6Map !== true) {
-			throw new TypeError('createMapIterator called on incompatible receiver ' + Object.prototype.toString.call(map));
-		}
-		// 3. Let iterator be ObjectCreate(%MapIteratorPrototype%, « [[Map]], [[MapNextIndex]], [[MapIterationKind]] »).
-		var iterator = Object.create(MapIteratorPrototype);
-		// 4. Set iterator.[[Map]] to map.
-		Object.defineProperty(iterator, '[[Map]]', {
-			configurable: true,
-			enumerable: false,
-			writable: true,
-			value: map
-		});
-		// 5. Set iterator.[[MapNextIndex]] to 0.
-		Object.defineProperty(iterator, '[[MapNextIndex]]', {
-			configurable: true,
-			enumerable: false,
-			writable: true,
-			value: 0
-		});
-		// 6. Set iterator.[[MapIterationKind]] to kind.
-		Object.defineProperty(iterator, '[[MapIterationKind]]', {
-			configurable: true,
-			enumerable: false,
-			writable: true,
-			value: kind
-		});
-		// 7. Return iterator.
-		return iterator;
-	}
-
-	// 23.1.5.2. The %MapIteratorPrototype% Object
-	var MapIteratorPrototype = {};
-	// Polyfill.io - We use this as a quick way to check if an object is a Map Iterator instance.
-	Object.defineProperty(MapIteratorPrototype, 'isMapIterator', {
-		configurable: false,
-		enumerable: false,
-		writable: false,
-		value: true
-	});
-
-	// 23.1.5.2.1. %MapIteratorPrototype%.next ( )
-	CreateMethodProperty(MapIteratorPrototype, 'next', function next() {
-			// 1. Let O be the this value.
-			var O = this;
-			// 2. If Type(O) is not Object, throw a TypeError exception.
-			if (Type(O) !== 'object') {
-				throw new TypeError('Method %MapIteratorPrototype%.next called on incompatible receiver ' + Object.prototype.toString.call(O));
-			}
-			// 3. If O does not have all of the internal slots of a Map Iterator Instance (23.1.5.3), throw a TypeError exception.
-			if (!O.isMapIterator) {
-				throw new TypeError('Method %MapIteratorPrototype%.next called on incompatible receiver ' + Object.prototype.toString.call(O));
-			}
-			// 4. Let m be O.[[Map]].
-			var m = O['[[Map]]'];
-			// 5. Let index be O.[[MapNextIndex]].
-			var index = O['[[MapNextIndex]]'];
-			// 6. Let itemKind be O.[[MapIterationKind]].
-			var itemKind = O['[[MapIterationKind]]'];
-			// 7. If m is undefined, return CreateIterResultObject(undefined, true).
-			if (m === undefined) {
-				return CreateIterResultObject(undefined, true);
-			}
-			// 8. Assert: m has a [[MapData]] internal slot.
-			if (!m._es6Map) {
-				throw new Error(Object.prototype.toString.call(m) + ' has a [[MapData]] internal slot.');
-			}
-			// 9. Let entries be the List that is m.[[MapData]].
-			var entries = m._keys;
-			// 10. Let numEntries be the number of elements of entries.
-			var numEntries = entries.length;
-			// 11. NOTE: numEntries must be redetermined each time this method is evaluated.
-			// 12. Repeat, while index is less than numEntries,
-			while (index < numEntries) {
-				// a. Let e be the Record {[[Key]], [[Value]]} that is the value of entries[index].
-				var e = Object.create(null);
-				e['[[Key]]'] = m._keys[index];
-				e['[[Value]]'] = m._values[index];
-				// b. Set index to index+1.
-				index = index + 1;
-				// c. Set O.[[MapNextIndex]] to index.
-				O['[[MapNextIndex]]'] = index;
-				// d. If e.[[Key]] is not empty, then
-				if (e['[[Key]]'] !== undefMarker) {
-					// i. If itemKind is "key", let result be e.[[Key]].
-					if (itemKind === 'key') {
-						var result = e['[[Key]]'];
-						// ii. Else if itemKind is "value", let result be e.[[Value]].
-					} else if (itemKind === 'value') {
-						result = e['[[Value]]'];
-						// iii. Else,
-					} else {
-						// 1. Assert: itemKind is "key+value".
-						if (itemKind !== 'key+value') {
-							throw new Error();
-						}
-						// 2. Let result be CreateArrayFromList(« e.[[Key]], e.[[Value]] »).
-						result = [
-							e['[[Key]]'],
-							e['[[Value]]']
-						];
-					}
-					// iv. Return CreateIterResultObject(result, false).
-					return CreateIterResultObject(result, false);
-				}
-			}
-			// 13. Set O.[[Map]] to undefined.
-			O['[[Map]]'] = undefined;
-			// 14. Return CreateIterResultObject(undefined, true).
-			return CreateIterResultObject(undefined, true);
-		}
-	);
-
-	// 23.1.5.2.2 %MapIteratorPrototype% [ @@toStringTag ]
-	// The initial value of the @@toStringTag property is the String value "Map Iterator".
-	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
-
-	CreateMethodProperty(MapIteratorPrototype, Symbol.iterator, function iterator() {
-			return this;
-		}
-	);
-
-	// Export the object
-	try {
-		CreateMethodProperty(global, 'Map', Map);
-	} catch (e) {
-		// IE8 throws an error here if we set enumerable to false.
-		// More info on table 2: https://msdn.microsoft.com/en-us/library/dd229916(v=vs.85).aspx
-		global['Map'] = Map;
-	}
-}(this));
-
-}
-
-if (!('Set' in this && (function() {
-	try {
-		var s = new Set([1, 2]);
-		if (Set.length === 0) {
-			if (s.size === 2) {
-				if ('Symbol' in this && 'iterator' in Symbol && typeof s[Symbol.iterator] === 'function') {
-					return true;
-				}
-			}
-		}
-		return false;
-	} catch (e) {
-		return false;
-	}
-}()))) {
-
-// Set
-/* global CreateIterResultObject, CreateMethodProperty, GetIterator, IsCallable, IteratorClose, IteratorStep, IteratorValue, OrdinaryCreateFromConstructor, SameValueZero, Symbol */
-(function (global) {
-	var supportsGetters = (function () {
-		try {
-			var a = {};
-			Object.defineProperty(a, 't', {
-				configurable: true,
-				enumerable: false,
-				get: function () {
-					return true;
-				},
-				set: undefined
-			});
-			return !!a.t;
-		} catch (e) {
-			return false;
-		}
-	}());
-
-	// Deleted set items mess with iterator pointers, so rather than removing them mark them as deleted. Can't use undefined or null since those both valid keys so use a private symbol.
-	var undefMarker = Symbol('undef');
-	// 23.2.1.1. Set ( [ iterable ] )
-	var Set = function Set(/* iterable */) {
-		// 1. If NewTarget is undefined, throw a TypeError exception.
-		if (!(this instanceof Set)) {
-			throw new TypeError('Constructor Set requires "new"');
-		}
-		// 2. Let set be ? OrdinaryCreateFromConstructor(NewTarget, "%SetPrototype%", « [[SetData]] »).
-		var set = OrdinaryCreateFromConstructor(this, Set.prototype, {
-			_values: [],
-			_size: 0,
-			_es6Set: true
-		});
-
-		// 3. Set set.[[SetData]] to a new empty List.
-		// Polyfill.io - This step was done as part of step two.
-
-		// Some old engines do not support ES5 getters/setters.  Since Set only requires these for the size property, we can fall back to setting the size property statically each time the size of the set changes.
-		if (!supportsGetters) {
-			Object.defineProperty(set, 'size', {
-				configurable: true,
-				enumerable: false,
-				writable: true,
-				value: 0
-			});
-		}
-
-		// 4. If iterable is not present, let iterable be undefined.
-		var iterable = arguments.length > 0 ? arguments[0] : undefined;
-
-		// 5. If iterable is either undefined or null, return set.
-		if (iterable === null || iterable === undefined) {
-			return set;
-		}
-
-		// 6. Let adder be ? Get(set, "add").
-		var adder = set.add;
-		// 7. If IsCallable(adder) is false, throw a TypeError exception.
-		if (!IsCallable(adder)) {
-			throw new TypeError("Set.prototype.add is not a function");
-		}
-
-		try {
-			// 8. Let iteratorRecord be ? GetIterator(iterable).
-			var iteratorRecord = GetIterator(iterable);
-			// 9. Repeat,
-			while (true) {
-				// a. Let next be ? IteratorStep(iteratorRecord).
-				var next = IteratorStep(iteratorRecord);
-				// b. If next is false, return set.
-				if (next === false) {
-					return set;
-				}
-				// c. Let nextValue be ? IteratorValue(next).
-				var nextValue = IteratorValue(next);
-				// d. Let status be Call(adder, set, « nextValue.[[Value]] »).
-				try {
-					adder.call(set, nextValue);
-				} catch (e) {
-					// e. If status is an abrupt completion, return ? IteratorClose(iteratorRecord, status).
-					return IteratorClose(iteratorRecord, e);
-				}
-			}
-		} catch (e) {
-			// Polyfill.io - For user agents which do not have iteration methods on argument objects or arrays, we can special case those.
-			if (Array.isArray(iterable) ||
-				Object.prototype.toString.call(iterable) === '[object Arguments]' ||
-				// IE 7 & IE 8 return '[object Object]' for the arguments object, we can detect by checking for the existence of the callee property
-				(!!iterable.callee)) {
-				var index;
-				var length = iterable.length;
-				for (index = 0; index < length; index++) {
-					adder.call(set, iterable[index]);
-				}
-			}
-		}
-		return set;
-	};
-
-	// 23.2.2.1. Set.prototype
-	// The initial value of Set.prototype is the intrinsic %SetPrototype% object.
-	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
-	Object.defineProperty(Set, 'prototype', {
-		configurable: false,
-		enumerable: false,
-		writable: false,
-		value: {}
-	});
-
-	// 23.2.2.2 get Set [ @@species ]
-	if (supportsGetters) {
-		Object.defineProperty(Set, Symbol.species, {
-			configurable: true,
-			enumerable: false,
-			get: function () {
-				// 1. Return the this value.
-				return this;
-			},
-			set: undefined
-		});
-	} else {
-		CreateMethodProperty(Set, Symbol.species, Set);
-	}
-
-	// 23.2.3.1. Set.prototype.add ( value )
-	CreateMethodProperty(Set.prototype, 'add', function add(value) {
-			// 1. Let S be the this value.
-			var S = this;
-			// 2. If Type(S) is not Object, throw a TypeError exception.
-			if (typeof S !== 'object') {
-				throw new TypeError('Method Set.prototype.add called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
-			if (S._es6Set !== true) {
-				throw new TypeError('Method Set.prototype.add called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 4. Let entries be the List that is S.[[SetData]].
-			var entries = S._values;
-			// 5. For each e that is an element of entries, do
-			for (var i = 0; i < entries.length; i++) {
-				var e = entries[i];
-				// a. If e is not empty and SameValueZero(e, value) is true, then
-				if (e !== undefMarker && SameValueZero(e, value)) {
-					// i. Return S.
-					return S;
-				}
-			}
-			// 6. If value is -0, let value be +0.
-			if (1/value === -Infinity) {
-				value = 0;
-			}
-			// 7. Append value as the last element of entries.
-			S._values.push(value);
-
-			this._size = ++this._size;
-			if (!supportsGetters) {
-				this.size = this._size;
-			}
-			// 8. Return S.
-			return S;
-		});
-
-	// 23.2.3.2. Set.prototype.clear ( )
-	CreateMethodProperty(Set.prototype, 'clear', function clear() {
-			// 1. Let S be the this value.
-			var S = this;
-			// 2. If Type(S) is not Object, throw a TypeError exception.
-			if (typeof S !== 'object') {
-				throw new TypeError('Method Set.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
-			if (S._es6Set !== true) {
-				throw new TypeError('Method Set.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 4. Let entries be the List that is S.[[SetData]].
-			var entries = S._values;
-			// 5. For each e that is an element of entries, do
-			for (var i = 0; i < entries.length; i++) {
-				// a. Replace the element of entries whose value is e with an element whose value is empty.
-				entries[i] = undefMarker;
-			}
-			this._size = 0;
-			if (!supportsGetters) {
-				this.size = this._size;
-			}
-			// 6. Return undefined.
-			return undefined;
-		});
-
-	// 23.2.3.3. Set.prototype.constructor
-	CreateMethodProperty(Set.prototype, 'constructor', Set);
-
-	// 23.2.3.4. Set.prototype.delete ( value )
-	CreateMethodProperty(Set.prototype, 'delete', function (value) {
-			// 1. Let S be the this value.
-			var S = this;
-			// 2. If Type(S) is not Object, throw a TypeError exception.
-			if (typeof S !== 'object') {
-				throw new TypeError('Method Set.prototype.delete called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
-			if (S._es6Set !== true) {
-				throw new TypeError('Method Set.prototype.delete called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 4. Let entries be the List that is S.[[SetData]].
-			var entries = S._values;
-			// 5. For each e that is an element of entries, do
-			for (var i = 0; i < entries.length; i++) {
-				var e = entries[i];
-				// a. If e is not empty and SameValueZero(e, value) is true, then
-				if (e !== undefMarker && SameValueZero(e, value)) {
-					// i. Replace the element of entries whose value is e with an element whose value is empty.
-					entries[i] = undefMarker;
-
-					this._size = --this._size;
-					if (!supportsGetters) {
-						this.size = this._size;
-					}
-					// ii. Return true.
-					return true;
-				}
-			}
-			// 6. Return false.
-			return false;
-		}
-	);
-
-	// 23.2.3.5. Set.prototype.entries ( )
-	CreateMethodProperty(Set.prototype, 'entries', function entries() {
-			// 1. Let S be the this value.
-			var S = this;
-			// 2. Return ? CreateSetIterator(S, "key+value").
-			return CreateSetIterator(S, 'key+value');
-		}
-	);
-
-	// 23.2.3.6. Set.prototype.forEach ( callbackfn [ , thisArg ] )
-	CreateMethodProperty(Set.prototype, 'forEach', function forEach(callbackFn /*[ , thisArg ]*/) {
-			// 1. Let S be the this value.
-			var S = this;
-			// 2. If Type(S) is not Object, throw a TypeError exception.
-			if (typeof S !== 'object') {
-				throw new TypeError('Method Set.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
-			if (S._es6Set !== true) {
-				throw new TypeError('Method Set.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 4. If IsCallable(callbackfn) is false, throw a TypeError exception.
-			if (!IsCallable(callbackFn)) {
-				throw new TypeError(Object.prototype.toString.call(callbackFn) + ' is not a function.');
-			}
-			// 5. If thisArg is present, let T be thisArg; else let T be undefined.
-			if (arguments[1]) {
-				var T = arguments[1];
-			}
-			// 6. Let entries be the List that is S.[[SetData]].
-			var entries = S._values;
-			// 7. For each e that is an element of entries, in original insertion order, do
-			for (var i = 0; i < entries.length; i++) {
-				var e = entries[i];
-				// a. If e is not empty, then
-				if (e !== undefMarker) {
-					// i. Perform ? Call(callbackfn, T, « e, e, S »).
-					callbackFn.call(T, e, e, S);
-				}
-			}
-			// 8. Return undefined.
-			return undefined;
-		}
-	);
-
-	// 23.2.3.7. Set.prototype.has ( value )
-	CreateMethodProperty(Set.prototype, 'has', function has(value) {
-			// 1. Let S be the this value.
-			var S = this;
-			// 2. If Type(S) is not Object, throw a TypeError exception.
-			if (typeof S !== 'object') {
-				throw new TypeError('Method Set.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
-			if (S._es6Set !== true) {
-				throw new TypeError('Method Set.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(S));
-			}
-			// 4. Let entries be the List that is S.[[SetData]].
-			var entries = S._values;
-			// 5. For each e that is an element of entries, do
-			for (var i = 0; i < entries.length; i++) {
-				var e = entries[i];
-				// a. If e is not empty and SameValueZero(e, value) is true, return true.
-				if (e !== undefMarker && SameValueZero(e, value)) {
-					return true;
-				}
-			}
-			// 6. Return false.
-			return false;
-		}
-	);
-
-	// Polyfill.io - We need to define Set.prototype.values before Set.prototype.keys because keys is a reference to values.
-	// 23.2.3.10. Set.prototype.values()
-	var values = function values() {
-		// 1. Let S be the this value.
-		var S = this;
-		// 2. Return ? CreateSetIterator(S, "value").
-		return CreateSetIterator(S, "value");
-	};
-	CreateMethodProperty(Set.prototype, 'values', values);
-
-	// 23.2.3.8 Set.prototype.keys ( )
-	// The initial value of the keys property is the same function object as the initial value of the values property.
-	CreateMethodProperty(Set.prototype, 'keys', values);
-
-	// 23.2.3.9. get Set.prototype.size
-	if (supportsGetters) {
-		Object.defineProperty(Set.prototype, 'size', {
-			configurable: true,
-			enumerable: false,
-			get: function () {
-				// 1. Let S be the this value.
-				var S = this;
-				// 2. If Type(S) is not Object, throw a TypeError exception.
-				if (typeof S !== 'object') {
-					throw new TypeError('Method Set.prototype.size called on incompatible receiver ' + Object.prototype.toString.call(S));
-				}
-				// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
-				if (S._es6Set !== true) {
-					throw new TypeError('Method Set.prototype.size called on incompatible receiver ' + Object.prototype.toString.call(S));
-				}
-				// 4. Let entries be the List that is S.[[SetData]].
-				var entries = S._values;
-				// 5. Let count be 0.
-				var count = 0;
-				// 6. For each e that is an element of entries, do
-				for (var i = 0; i < entries.length; i++) {
-					var e = entries[i];
-					// a. If e is not empty, set count to count+1.
-					if (e !== undefMarker) {
-						count = count + 1;
-					}
-				}
-				// 7. Return count.
-				return count;
-			},
-			set: undefined
-		});
-	}
-
-	// 23.2.3.11. Set.prototype [ @@iterator ] ( )
-	// The initial value of the @@iterator property is the same function object as the initial value of the values property.
-	CreateMethodProperty(Set.prototype, Symbol.iterator, values);
-
-	// 23.2.3.12. Set.prototype [ @@toStringTag ]
-	// The initial value of the @@toStringTag property is the String value "Set".
-	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
-
-	// Polyfill.io - Safari 8 implements Set.name but as a non-configurable property, which means it would throw an error if we try and configure it here.
-	if (!('name' in Set)) {
-		// 19.2.4.2 name
-		Object.defineProperty(Set, 'name', {
-			configurable: true,
-			enumerable: false,
-			writable: false,
-			value: 'Set'
-		});
-	}
-
-	// 23.2.5.1. CreateSetIterator ( set, kind )
-	function CreateSetIterator(set, kind) {
-		// 1. If Type(set) is not Object, throw a TypeError exception.
-		if (typeof set !== 'object') {
-			throw new TypeError('createSetIterator called on incompatible receiver ' + Object.prototype.toString.call(set));
-		}
-		// 2. If set does not have a [[SetData]] internal slot, throw a TypeError exception.
-		if (set._es6Set !== true) {
-			throw new TypeError('createSetIterator called on incompatible receiver ' + Object.prototype.toString.call(set));
-		}
-		// 3. Let iterator be ObjectCreate(%SetIteratorPrototype%, « [[IteratedSet]], [[SetNextIndex]], [[SetIterationKind]] »).
-		var iterator = Object.create(SetIteratorPrototype);
-		// 4. Set iterator.[[IteratedSet]] to set.
-		Object.defineProperty(iterator, '[[IteratedSet]]', {
-			configurable: true,
-			enumerable: false,
-			writable: true,
-			value: set
-		});
-		// 5. Set iterator.[[SetNextIndex]] to 0.
-		Object.defineProperty(iterator, '[[SetNextIndex]]', {
-			configurable: true,
-			enumerable: false,
-			writable: true,
-			value: 0
-		});
-		// 6. Set iterator.[[SetIterationKind]] to kind.
-		Object.defineProperty(iterator, '[[SetIterationKind]]', {
-			configurable: true,
-			enumerable: false,
-			writable: true,
-			value: kind
-		});
-		// 7. Return iterator.
-		return iterator;
-	}
-
-	// 23.2.5.2. The %SetIteratorPrototype% Object
-	var SetIteratorPrototype = {};
-	//Polyfill.io - We add this property to help us identify what is a set iterator.
-	Object.defineProperty(SetIteratorPrototype, 'isSetIterator', {
-		configurable: false,
-		enumerable: false,
-		writable: false,
-		value: true
-	});
-
-	// 23.2.5.2.1. %SetIteratorPrototype%.next ( )
-	CreateMethodProperty(SetIteratorPrototype, 'next', function next() {
-		// 1. Let O be the this value.
-		var O = this;
-		// 2. If Type(O) is not Object, throw a TypeError exception.
-		if (typeof O !== 'object') {
-			throw new TypeError('Method %SetIteratorPrototype%.next called on incompatible receiver ' + Object.prototype.toString.call(O));
-		}
-		// 3. If O does not have all of the internal slots of a Set Iterator Instance (23.2.5.3), throw a TypeError exception.
-		if (!O.isSetIterator) {
-			throw new TypeError('Method %SetIteratorPrototype%.next called on incompatible receiver ' + Object.prototype.toString.call(O));
-		}
-		// 4. Let s be O.[[IteratedSet]].
-		var s = O['[[IteratedSet]]'];
-		// 5. Let index be O.[[SetNextIndex]].
-		var index = O['[[SetNextIndex]]'];
-		// 6. Let itemKind be O.[[SetIterationKind]].
-		var itemKind = O['[[SetIterationKind]]'];
-		// 7. If s is undefined, return CreateIterResultObject(undefined, true).
-		if (s === undefined) {
-			return CreateIterResultObject(undefined, true);
-		}
-		// 8. Assert: s has a [[SetData]] internal slot.
-		if (!s._es6Set) {
-			throw new Error(Object.prototype.toString.call(s) + ' does not have [[SetData]] internal slot.');
-		}
-		// 9. Let entries be the List that is s.[[SetData]].
-		var entries = s._values;
-		// 10. Let numEntries be the number of elements of entries.
-		var numEntries = entries.length;
-		// 11. NOTE: numEntries must be redetermined each time this method is evaluated.
-		// 12. Repeat, while index is less than numEntries,
-		while (index < numEntries) {
-			// a. Let e be entries[index].
-			var e = entries[index];
-			// b. Set index to index+1.
-			index = index + 1;
-			// c. Set O.[[SetNextIndex]] to index.
-			O['[[SetNextIndex]]'] = index;
-			// d. If e is not empty, then
-			if (e !== undefMarker) {
-				// i. If itemKind is "key+value", then
-				if (itemKind === 'key+value') {
-					// 1. Return CreateIterResultObject(CreateArrayFromList(« e, e »), false).
-					return CreateIterResultObject([e, e], false);
-				}
-				// ii. Return CreateIterResultObject(e, false).
-				return CreateIterResultObject(e, false);
-			}
-		}
-		// 13. Set O.[[IteratedSet]] to undefined.
-		O['[[IteratedSet]]'] = undefined;
-		// 14. Return CreateIterResultObject(undefined, true).
-		return CreateIterResultObject(undefined, true);
-	});
-
-	// 23.2.5.2.2. %SetIteratorPrototype% [ @@toStringTag ]
-	// The initial value of the @@toStringTag property is the String value "Set Iterator".
-	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
-
-	CreateMethodProperty(SetIteratorPrototype, Symbol.iterator, function iterator() {
-			return this;
-		}
-	);
-
-	// Export the object
-	try {
-		CreateMethodProperty(global, 'Set', Set);
-	} catch (e) {
-		// IE8 throws an error here if we set enumerable to false.
-		// More info on table 2: https://msdn.microsoft.com/en-us/library/dd229916(v=vs.85).aspx
-		global['Set'] = Set;
-	}
-
-}(this));
-
-}
-
-if (!('from' in Array && (function () {
-	try {
-		Array.from({ length: -Infinity });
-
-		return true;
-	} catch (e) {
-		return false;
-	}
-}()))) {
-
-// Array.from
-/* globals
-	IsCallable, GetMethod, Symbol, IsConstructor, Construct, ArrayCreate, GetIterator, IteratorClose,
-	ToString, IteratorStep, IteratorValue, Call, CreateDataPropertyOrThrow, ToObject, ToLength, Get, CreateMethodProperty
-*/
-(function () {
-	var toString = Object.prototype.toString;
-	var stringMatch = String.prototype.match;
-	// A cross-realm friendly way to detect if a value is a String object or literal.
-	function isString(value) {
-		if (typeof value === 'string') { return true; }
-		if (typeof value !== 'object') { return false; }
-		return toString.call(value) === '[object String]';
-	}
-
-	// 22.1.2.1. Array.from ( items [ , mapfn [ , thisArg ] ] )
-	CreateMethodProperty(Array, 'from', function from(items /* [ , mapfn [ , thisArg ] ] */) { // eslint-disable-line no-undef
-		// 1. Let C be the this value.
-		var C = this;
-		// 2. If mapfn is undefined, let mapping be false.
-		var mapfn = arguments.length > 1 ? arguments[1] : undefined;
-		if (mapfn === undefined) {
-			var mapping = false;
-			// 3. Else,
-		} else {
-			// a. If IsCallable(mapfn) is false, throw a TypeError exception.
-			if (IsCallable(mapfn) === false) {
-				throw new TypeError(Object.prototype.toString.call(mapfn) + ' is not a function.');
-			}
-			// b. If thisArg is present, let T be thisArg; else let T be undefined.
-			var thisArg = arguments.length > 2 ? arguments[2] : undefined;
-			if (thisArg !== undefined) {
-				var T = thisArg;
-			} else {
-				T = undefined;
-			}
-			// c. Let mapping be true.
-			mapping = true;
-
-		}
-		// 4. Let usingIterator be ? GetMethod(items, @@iterator).
-		var usingIterator = GetMethod(items, Symbol.iterator);
-		// 5. If usingIterator is not undefined, then
-		if (usingIterator !== undefined) {
-			// a. If IsConstructor(C) is true, then
-			if (IsConstructor(C)) {
-				// i. Let A be ? Construct(C).
-				var A = Construct(C);
-				// b. Else,
-			} else {
-				// i. Let A be ! ArrayCreate(0).
-				A = ArrayCreate(0);
-			}
-			// c. Let iteratorRecord be ? GetIterator(items, usingIterator).
-			var iteratorRecord = GetIterator(items, usingIterator);
-			// d. Let k be 0.
-			var k = 0;
-			// e. Repeat,
-			while (true) {
-				// i. If k ≥ 2^53-1, then
-				if (k >= (Math.pow(2, 53) - 1)) {
-					// 1. Let error be Completion{[[Type]]: throw, [[Value]]: a newly created TypeError object, [[Target]]: empty}.
-					var error = new TypeError('Iteration count can not be greater than or equal 9007199254740991.');
-					// 2. Return ? IteratorClose(iteratorRecord, error).
-					return IteratorClose(iteratorRecord, error);
-				}
-				// ii. Let Pk be ! ToString(k).
-				var Pk = ToString(k);
-				// iii. Let next be ? IteratorStep(iteratorRecord).
-				var next = IteratorStep(iteratorRecord);
-				// iv. If next is false, then
-				if (next === false) {
-					// 1. Perform ? Set(A, "length", k, true).
-					A["length"] = k;
-					// 2. Return A.
-					return A;
-				}
-				// v. Let nextValue be ? IteratorValue(next).
-				var nextValue = IteratorValue(next);
-				// vi. If mapping is true, then
-				if (mapping) {
-					try {
-						// Polyfill.io - The try catch accounts for step 2.
-						// 1. Let mappedValue be Call(mapfn, T, « nextValue, k »).
-						var mappedValue = Call(mapfn, T, [nextValue, k]);
-						// 2. If mappedValue is an abrupt completion, return ? IteratorClose(iteratorRecord, mappedValue).
-						// 3. Let mappedValue be mappedValue.[[Value]].
-					} catch (e) {
-						return IteratorClose(iteratorRecord, e);
-					}
-
-					// vii. Else, let mappedValue be nextValue.
-				} else {
-					mappedValue = nextValue;
-				}
-				try {
-					// Polyfill.io - The try catch accounts for step ix.
-					// viii. Let defineStatus be CreateDataPropertyOrThrow(A, Pk, mappedValue).
-					CreateDataPropertyOrThrow(A, Pk, mappedValue);
-					// ix. If defineStatus is an abrupt completion, return ? IteratorClose(iteratorRecord, defineStatus).
-				} catch (e) {
-					return IteratorClose(iteratorRecord, e);
-				}
-				// x. Increase k by 1.
-				k = k + 1;
-			}
-		}
-		// 6. NOTE: items is not an Iterable so assume it is an array-like object.
-		// 7. Let arrayLike be ! ToObject(items).
-		// Polyfill.io - For Strings we need to split astral symbols into surrogate pairs.
-		if (isString(items)) {
-			var arrayLike = stringMatch.call(items, /[\uD800-\uDBFF][\uDC00-\uDFFF]?|[^\uD800-\uDFFF]|./g) || [];
-		} else {
-			arrayLike = ToObject(items);
-		}
-		// 8. Let len be ? ToLength(? Get(arrayLike, "length")).
-		var len = ToLength(Get(arrayLike, "length"));
-		// 9. If IsConstructor(C) is true, then
-		if (IsConstructor(C)) {
-			// a. Let A be ? Construct(C, « len »).
-			A = Construct(C, [len]);
-			// 10. Else,
-		} else {
-			// a. Let A be ? ArrayCreate(len).
-			A = ArrayCreate(len);
-		}
-		// 11. Let k be 0.
-		k = 0;
-		// 12. Repeat, while k < len
-		while (k < len) {
-			// a. Let Pk be ! ToString(k).
-			Pk = ToString(k);
-			// b. Let kValue be ? Get(arrayLike, Pk).
-			var kValue = Get(arrayLike, Pk);
-			// c. If mapping is true, then
-			if (mapping === true) {
-				// i. Let mappedValue be ? Call(mapfn, T, « kValue, k »).
-				mappedValue = Call(mapfn, T, [kValue, k]);
-				// d. Else, let mappedValue be kValue.
-			} else {
-				mappedValue = kValue;
-			}
-			// e. Perform ? CreateDataPropertyOrThrow(A, Pk, mappedValue).
-			CreateDataPropertyOrThrow(A, Pk, mappedValue);
-			// f. Increase k by 1.
-			k = k + 1;
-		}
-		// 13. Perform ? Set(A, "length", len, true).
-		A["length"] = len;
-		// 14. Return A.
-		return A;
-	});
-}());
-
-}
-
-if (!('of' in Array)) {
-
-// Array.of
-/* global ArrayCreate, Construct, CreateDataPropertyOrThrow, CreateMethodProperty, IsConstructor, ToString */
-// 22.1.2.3. Array.of ( ...items )
-CreateMethodProperty(Array, 'of', function of() {
-	// 1. Let len be the actual number of arguments passed to this function.
-	var len = arguments.length;
-	// 2. Let items be the List of arguments passed to this function.
-	var items = arguments;
-	// 3. Let C be the this value.
-	var C = this;
-	// 4. If IsConstructor(C) is true, then
-	if (IsConstructor(C)) {
-		// a. Let A be ? Construct(C, « len »).
-		var A = Construct(C, [len]);
-		// 5. Else,
-	} else {
-		// a. Let A be ? ArrayCreate(len).
-		var A = ArrayCreate(len);
-	}
-	// 6. Let k be 0.
-	var k = 0;
-	// 7. Repeat, while k < len
-	while (k < len) {
-		// a. Let kValue be items[k].
-		var kValue = items[k];
-		// b. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// c. Perform ? CreateDataPropertyOrThrow(A, Pk, kValue).
-		CreateDataPropertyOrThrow(A, Pk, kValue);
-		// d. Increase k by 1.
-		var k = k + 1;
-
-	}
-	// 8. Perform ? Set(A, "length", len, true)
-	A["length"] = len;
-	// 9. Return A.
-	return A;
-});
-
-}
-
-if (!('assign' in Object)) {
-
-// Object.assign
-/* global CreateMethodProperty, Get, ToObject */
-// 19.1.2.1 Object.assign ( target, ...sources )
-CreateMethodProperty(Object, 'assign', function assign(target, source) { // eslint-disable-line no-unused-vars
-	// 1. Let to be ? ToObject(target).
-	var to = ToObject(target);
-
-	// 2. If only one argument was passed, return to.
-	if (arguments.length === 1) {
-		return to;
-	}
-
-	// 3. Let sources be the List of argument values starting with the second argument
-	var sources = Array.prototype.slice.call(arguments, 1);
-
-	// 4. For each element nextSource of sources, in ascending index order, do
-	var index1;
-	var index2;
-	var keys;
-	var from;
-	for (index1 = 0; index1 < sources.length; index1++) {
-		var nextSource = sources[index1];
-		// a. If nextSource is undefined or null, let keys be a new empty List.
-		if (nextSource === undefined || nextSource === null) {
-			keys = [];
-			// b. Else,
-		} else {
-			// i. Let from be ! ToObject(nextSource).
-			from = ToObject(nextSource);
-			// ii. Let keys be ? from.[[OwnPropertyKeys]]().
-			/*
-				This step in our polyfill is not complying with the specification.
-				[[OwnPropertyKeys]] is meant to return ALL keys, including non-enumerable and symbols.
-				TODO: When we have Reflect.ownKeys, use that instead as it is the userland equivalent of [[OwnPropertyKeys]].
-			*/
-			keys = Object.keys(from);
-		}
-
-		// c. For each element nextKey of keys in List order, do
-		for (index2 = 0; index2 < keys.length; index2++) {
-			var nextKey = keys[index2];
-			// i. Let desc be ? from.[[GetOwnProperty]](nextKey).
-			var desc = Object.getOwnPropertyDescriptor(from, nextKey);
-			// ii. If desc is not undefined and desc.[[Enumerable]] is true, then
-			if (desc !== undefined && desc.enumerable) {
-				// 1. Let propValue be ? Get(from, nextKey).
-				var propValue = Get(from, nextKey);
-				// 2. Perform ? Set(to, nextKey, propValue, true).
-				to[nextKey] = propValue;
-			}
-		}
-	}
-	// 5. Return to.
-	return to;
-});
-
-}
-
-if (!('Symbol' in this && 'toStringTag' in this.Symbol)) {
-
-// Symbol.toStringTag
-/* global Symbol */
-Object.defineProperty(Symbol, 'toStringTag', {
-	value: Symbol('toStringTag')
-});
-
-}
-
-
-// _Iterator
-/* global Symbol */
-// A modification of https://github.com/medikoo/es6-iterator
-// Copyright (C) 2013-2015 Mariusz Nowak (www.medikoo.com)
-
-var Iterator = (function () { // eslint-disable-line no-unused-vars
-	var clear = function () {
-		this.length = 0;
-		return this;
-	};
-	var callable = function (fn) {
-		if (typeof fn !== 'function') throw new TypeError(fn + " is not a function");
-		return fn;
-	};
-
-	var Iterator = function (list, context) {
-		if (!(this instanceof Iterator)) {
-			return new Iterator(list, context);
-		}
-		Object.defineProperties(this, {
-			__list__: {
-				writable: true,
-				value: list
-			},
-			__context__: {
-				writable: true,
-				value: context
-			},
-			__nextIndex__: {
-				writable: true,
-				value: 0
-			}
-		});
-		if (!context) return;
-		callable(context.on);
-		context.on('_add', this._onAdd.bind(this));
-		context.on('_delete', this._onDelete.bind(this));
-		context.on('_clear', this._onClear.bind(this));
-	};
-
-	Object.defineProperties(Iterator.prototype, Object.assign({
-		constructor: {
-			value: Iterator,
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		_next: {
-			value: function () {
-				var i;
-				if (!this.__list__) return;
-				if (this.__redo__) {
-					i = this.__redo__.shift();
-					if (i !== undefined) return i;
-				}
-				if (this.__nextIndex__ < this.__list__.length) return this.__nextIndex__++;
-				this._unBind();
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		next: {
-			value: function () {
-				return this._createResult(this._next());
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		_createResult: {
-			value: function (i) {
-				if (i === undefined) return {
-					done: true,
-					value: undefined
-				};
-				return {
-					done: false,
-					value: this._resolve(i)
-				};
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		_resolve: {
-			value: function (i) {
-				return this.__list__[i];
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		_unBind: {
-			value: function () {
-				this.__list__ = null;
-				delete this.__redo__;
-				if (!this.__context__) return;
-				this.__context__.off('_add', this._onAdd.bind(this));
-				this.__context__.off('_delete', this._onDelete.bind(this));
-				this.__context__.off('_clear', this._onClear.bind(this));
-				this.__context__ = null;
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		toString: {
-			value: function () {
-				return '[object Iterator]';
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		}
-	}, {
-		_onAdd: {
-			value: function (index) {
-				if (index >= this.__nextIndex__) return;
-				++this.__nextIndex__;
-				if (!this.__redo__) {
-					Object.defineProperty(this, '__redo__', {
-						value: [index],
-						configurable: true,
-						enumerable: false,
-						writable: false
-					});
-					return;
-				}
-				this.__redo__.forEach(function (redo, i) {
-					if (redo >= index) this.__redo__[i] = ++redo;
-				}, this);
-				this.__redo__.push(index);
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		_onDelete: {
-			value: function (index) {
-				var i;
-				if (index >= this.__nextIndex__) return;
-				--this.__nextIndex__;
-				if (!this.__redo__) return;
-				i = this.__redo__.indexOf(index);
-				if (i !== -1) this.__redo__.splice(i, 1);
-				this.__redo__.forEach(function (redo, i) {
-					if (redo > index) this.__redo__[i] = --redo;
-				}, this);
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		_onClear: {
-			value: function () {
-				if (this.__redo__) clear.call(this.__redo__);
-				this.__nextIndex__ = 0;
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		}
-	}));
-
-	Object.defineProperty(Iterator.prototype, Symbol.iterator, {
-		value: function () {
-			return this;
-		},
-		configurable: true,
-		enumerable: false,
-		writable: true
-	});
-	Object.defineProperty(Iterator.prototype, Symbol.toStringTag, {
-		value: 'Iterator',
-		configurable: false,
-		enumerable: false,
-		writable: true
-	});
-
-	return Iterator;
-}());
-
-// Object.setPrototypeOf
-/* global CreateMethodProperty */
-// ES6-shim 0.16.0 (c) 2013-2014 Paul Miller (http://paulmillr.com)
-// ES6-shim may be freely distributed under the MIT license.
-// For more details and documentation:
-// https://github.com/paulmillr/es6-shim/
-
- // NOTE:  This versions needs object ownership
-  //        because every promoted object needs to be reassigned
-  //        otherwise uncompatible browsers cannot work as expected
-  //
-  // NOTE:  This might need es5-shim or polyfills upfront
-  //        because it's based on ES5 API.
-  //        (probably just an IE <= 8 problem)
-  //
-  // NOTE:  nodejs is fine in version 0.8, 0.10, and future versions.
-(function () {
-	if (Object.setPrototypeOf) { return; }
-
-	/*jshint proto: true */
-	// @author    Andrea Giammarchi - @WebReflection
-
-	var getOwnPropertyNames = Object.getOwnPropertyNames;
-	var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
-	var create = Object.create;
-	var defineProperty = Object.defineProperty;
-	var getPrototypeOf = Object.getPrototypeOf;
-	var objProto = Object.prototype;
-
-	var copyDescriptors = function (target, source) {
-		// define into target descriptors from source
-		getOwnPropertyNames(source).forEach(function (key) {
-			defineProperty(
-				target,
-				key,
-				getOwnPropertyDescriptor(source, key)
-			);
-		});
-		return target;
-	};
-	// used as fallback when no promotion is possible
-	var createAndCopy = function setPrototypeOf(origin, proto) {
-		return copyDescriptors(create(proto), origin);
-	};
-	var set, sPOf;
-	try {
-		// this might fail for various reasons
-		// ignore if Chrome cought it at runtime
-		set = getOwnPropertyDescriptor(objProto, '__proto__').set;
-		set.call({}, null);
-		// setter not poisoned, it can promote
-		// Firefox, Chrome
-		sPOf = function setPrototypeOf(origin, proto) {
-			set.call(origin, proto);
-			return origin;
-		};
-	} catch (e) {
-		// do one or more feature detections
-		set = { __proto__: null };
-		// if proto does not work, needs to fallback
-		// some Opera, Rhino, ducktape
-		if (set instanceof Object) {
-			sPOf = createAndCopy;
-		} else {
-			// verify if null objects are buggy
-			/* eslint-disable no-proto */
-			set.__proto__ = objProto;
-			/* eslint-enable no-proto */
-			// if null objects are buggy
-			// nodejs 0.8 to 0.10
-			if (set instanceof Object) {
-				sPOf = function setPrototypeOf(origin, proto) {
-					// use such bug to promote
-					/* eslint-disable no-proto */
-					origin.__proto__ = proto;
-					/* eslint-enable no-proto */
-					return origin;
-				};
-			} else {
-				// try to use proto or fallback
-				// Safari, old Firefox, many others
-				sPOf = function setPrototypeOf(origin, proto) {
-					// if proto is not null
-					if (getPrototypeOf(origin)) {
-						// use __proto__ to promote
-						/* eslint-disable no-proto */
-						origin.__proto__ = proto;
-						/* eslint-enable no-proto */
-						return origin;
-					} else {
-						// otherwise unable to promote: fallback
-						return createAndCopy(origin, proto);
-					}
-				};
-			}
-		}
-	}
-	CreateMethodProperty(Object, 'setPrototypeOf', sPOf);
-}());
-
-// _ESAbstract.RequireObjectCoercible
-// 7.2.1. RequireObjectCoercible ( argument )
-// The abstract operation ToObject converts argument to a value of type Object according to Table 12:
-// Table 12: ToObject Conversions
-/*
-|----------------------------------------------------------------------------------------------------------------------------------------------------|
-| Argument Type | Result                                                                                                                             |
-|----------------------------------------------------------------------------------------------------------------------------------------------------|
-| Undefined     | Throw a TypeError exception.                                                                                                       |
-| Null          | Throw a TypeError exception.                                                                                                       |
-| Boolean       | Return argument.                                                                                                                   |
-| Number        | Return argument.                                                                                                                   |
-| String        | Return argument.                                                                                                                   |
-| Symbol        | Return argument.                                                                                                                   |
-| Object        | Return argument.                                                                                                                   |
-|----------------------------------------------------------------------------------------------------------------------------------------------------|
-*/
-function RequireObjectCoercible(argument) { // eslint-disable-line no-unused-vars
-	if (argument === null || argument === undefined) {
-		throw TypeError();
-	}
-  return argument;
-}
-
-// _ESAbstract.IsRegExp
-/* global Type, Get, ToBoolean */
-// 7.2.8. IsRegExp ( argument )
-function IsRegExp(argument) { // eslint-disable-line no-unused-vars
-	// 1. If Type(argument) is not Object, return false.
-	if (Type(argument) !== 'object') {
-		return false;
-	}
-	// 2. Let matcher be ? Get(argument, @@match).
-	var matcher = 'Symbol' in this && 'match' in this.Symbol ? Get(argument, this.Symbol.match) : undefined;
-	// 3. If matcher is not undefined, return ToBoolean(matcher).
-	if (matcher !== undefined) {
-		return ToBoolean(matcher);
-	}
-	// 4. If argument has a [[RegExpMatcher]] internal slot, return true.
-	try {
-		var lastIndex = argument.lastIndex;
-		argument.lastIndex = 0;
-		RegExp.prototype.exec.call(argument);
-		return true;
-	} catch (e) {} finally {
-		argument.lastIndex = lastIndex;
-	}
-	// 5. Return false.
-	return false;
-}
-if (!('includes' in String.prototype)) {
-
-// String.prototype.includes
-/* global CreateMethodProperty, IsRegExp, RequireObjectCoercible, ToInteger, ToString */
-// 21.1.3.7. String.prototype.includes ( searchString [ , position ] )
-CreateMethodProperty(String.prototype, 'includes', function includes(searchString /* [ , position ] */) {
-	'use strict';
-	var position = arguments.length > 1 ? arguments[1] : undefined;
-	// 1. Let O be ? RequireObjectCoercible(this value).
-	var O = RequireObjectCoercible(this);
-	// 2. Let S be ? ToString(O).
-	var S = ToString(O);
-	// 3. Let isRegExp be ? IsRegExp(searchString).
-	var isRegExp = IsRegExp(searchString);
-	// 4. If isRegExp is true, throw a TypeError exception.
-	if (isRegExp) {
-		throw new TypeError('First argument to String.prototype.includes must not be a regular expression');
-	}
-	// 5. Let searchStr be ? ToString(searchString).
-	var searchStr = ToString(searchString);
-	// 6. Let pos be ? ToInteger(position). (If position is undefined, this step produces the value 0.)
-	var pos = ToInteger(position);
-	// 7. Let len be the length of S.
-	var len = S.length;
-	// 8. Let start be min(max(pos, 0), len).
-	var start = Math.min(Math.max(pos, 0), len);
-	// 9. Let searchLen be the length of searchStr.
-	// var searchLength = searchStr.length;
-	// 10. If there exists any integer k not smaller than start such that k + searchLen is not greater than len, and for all nonnegative integers j less than searchLen, the code unit at index k+j within S is the same as the code unit at index j within searchStr, return true; but if there is no such integer k, return false.
-	return String.prototype.indexOf.call(S, searchStr, start) !== -1;
-});
-
-}
-
-
-// _ArrayIterator
-/* global Iterator */
-// A modification of https://github.com/medikoo/es6-iterator
-// Copyright (C) 2013-2015 Mariusz Nowak (www.medikoo.com)
-
-var ArrayIterator = (function() { // eslint-disable-line no-unused-vars
-
-	var ArrayIterator = function(arr, kind) {
-		if (!(this instanceof ArrayIterator)) return new ArrayIterator(arr, kind);
-		Iterator.call(this, arr);
-		if (!kind) kind = 'value';
-		else if (String.prototype.includes.call(kind, 'key+value')) kind = 'key+value';
-		else if (String.prototype.includes.call(kind, 'key')) kind = 'key';
-		else kind = 'value';
-		Object.defineProperty(this, '__kind__', {
-			value: kind,
-			configurable: false,
-			enumerable: false,
-			writable: false
-		});
-	};
-	if (Object.setPrototypeOf) Object.setPrototypeOf(ArrayIterator, Iterator.prototype);
-
-	ArrayIterator.prototype = Object.create(Iterator.prototype, {
-		constructor: {
-			value: ArrayIterator,
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		_resolve: {
-			value: function(i) {
-				if (this.__kind__ === 'value') return this.__list__[i];
-				if (this.__kind__ === 'key+value') return [i, this.__list__[i]];
-				return i;
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		},
-		toString: {
-			value: function() {
-				return '[object Array Iterator]';
-			},
-			configurable: true,
-			enumerable: false,
-			writable: true
-		}
-	});
-
-	return ArrayIterator;
-}());
-if (!('values' in Array.prototype)) {
-
-// Array.prototype.values
-/* global CreateMethodProperty, Symbol, ToObject */
-// 22.1.3.30/ Array.prototype.values ( )
-// Polyfill.io - Firefox, Chrome and Opera have Array.prototype[Symbol.iterator], which is the exact same function as Array.prototype.values.
-if ('Symbol' in this && 'iterator' in Symbol && typeof Array.prototype[Symbol.iterator] === 'function') {
-	CreateMethodProperty(Array.prototype, 'values', Array.prototype[Symbol.iterator]);
-} else {
-	CreateMethodProperty(Array.prototype, 'values', function values () {
-		// 1. Let O be ? ToObject(this value).
-		var O = ToObject(this);
-		// 2. Return CreateArrayIterator(O, "value").
-		// TODO: Add CreateArrayIterator
-		return new ArrayIterator(O, 'value');
-	});
-}
-
-}
-
-if (!('Symbol' in this && 'iterator' in this.Symbol && !!Array.prototype[Symbol.iterator])) {
-
-// Array.prototype.@@iterator
-/* global Symbol, CreateMethodProperty */
-// 22.1.3.31. Array.prototype [ @@iterator ] ( )
-// The initial value of the @@iterator property is the same function object as the initial value of the  Array.prototype.values property.
-CreateMethodProperty(Array.prototype, Symbol.iterator, Array.prototype.values);
-
-}
-
-if (!('copyWithin' in Array.prototype && (function () {
-	try {
-		var Parent = function Parent() {};
-		Parent.prototype[0] = 'foo';
-		var sparse = new Parent();
-		sparse[1] = 1;
-		sparse[2] = 2;
-		sparse.length = 3;
-		var result = Array.prototype.copyWithin.call(sparse, 1, 0);
-		if (result['0'] && !Object.prototype.hasOwnProperty.call(result, '0') && Object.prototype.hasOwnProperty.call(result, '1') && result[0] === 'foo' && result[1] === 'foo' && result[2] === 1 && result.length === 3) {
-			return true;
-		} else {
-			return false;
-		}
-	} catch (err) {
-		return false;
-	}
-}()))) {
-
-// Array.prototype.copyWithin
-/* global CreateMethodProperty, HasProperty, ToInteger */
-// 22.1.3.3 Array.prototype.copyWithin ( target, start [ , end ] )
-CreateMethodProperty(Array.prototype, 'copyWithin', function copyWithin(target, start /* [ , end ] */ ) {
-	'use strict';
-	var end = arguments[2];
-
-	// 22.1.3.3.1 Let O be ? ToObject(this value).
-	if (this === null || this === undefined) {
-		throw new TypeError('Cannot call method on ' + this);
-	}
-
-	var o = Object(this);
-
-	// 22.1.3.3.2 Let len be ? ToLength(? Get(O, "length")).
-	var len = ToInteger(o.length);
-	if (len <= 0) {
-		len = 0;
-	}
-	if (len === Infinity) {
-		len = Math.pow(2, 53) - 1;
-	} else {
-		len = Math.min(len, Math.pow(2, 53) - 1);
-	}
-	len = Math.max(len, 0);
-
-	// 22.1.3.3.3 Let relativeTarget be ? ToInteger(target).
-	var relativeTarget = ToInteger(target);
-
-	// 22.1.3.3.4 If relativeTarget < 0, let to be max((len + relativeTarget), 0); else let to be min(relativeTarget, len).
-	var to;
-	if (relativeTarget < 0) {
-		to = Math.max(len + relativeTarget, 0);
-	} else {
-		to = Math.min(relativeTarget, len);
-	}
-
-	// 22.1.3.3.5 Let relativeStart be ? ToInteger(start).
-	var relativeStart = ToInteger(start);
-
-	// 22.1.3.3.6 If relativeStart < 0, let from be max((len + relativeStart), 0); else let from be min(relativeStart, len).
-	var from;
-	if (relativeStart < 0) {
-		from = Math.max(len + relativeStart, 0);
-	} else {
-		from = Math.min(relativeStart, len);
-	}
-
-	// 22.1.3.3.7 If end is undefined, let relativeEnd be len; else let relativeEnd be ? ToInteger(end).
-	var relativeEnd;
-	if (end === undefined) {
-		relativeEnd = len;
-	} else {
-		relativeEnd = ToInteger(end);
-	}
-
-	// 22.1.3.3.8 If relativeEnd < 0, let final be max((len + relativeEnd), 0); else let final be min(relativeEnd, len).
-	var final;
-	if (relativeEnd < 0) {
-		final = Math.max(len + relativeEnd, 0);
-	} else {
-		final = Math.min(relativeEnd, len);
-	}
-
-	// 22.1.3.3.9 Let count be min(final-from, len-to).
-	var count = Math.min(final - from, len - to);
-
-	// 22.1.3.3.10 If from<to and to<from+count, then
-	var direction;
-	if (from < to && to < from + count) {
-		// 22.1.3.3.10.a Let direction be -1.
-		direction = -1;
-
-		// 22.1.3.3.10.b Let from be from + count - 1.
-		from = from + count - 1;
-
-		// 22.1.3.3.10.c Let to be to + count - 1.
-		to = to + count - 1;
-	} else {
-		// 22.1.3.3.11 Else,
-		// 22.1.3.3.11.a Let direction be 1.
-		direction = 1;
-	}
-
-	// 22.1.3.3.12 Repeat, while count > 0
-	while (count > 0) {
-		// 22.1.3.3.12.a Let fromKey be ! ToString(from).
-		var fromKey = String(from);
-		// 22.1.3.3.12.b Let toKey be ! ToString(to).
-		var toKey = String(to);
-		// 22.1.3.3.12.c Let fromPresent be ? HasProperty(O, fromKey).
-		var fromPresent = HasProperty(o, fromKey);
-		// 22.1.3.3.12.d If fromPresent is true, then
-		if (fromPresent) {
-			// 22.1.3.3.12.d.i Let fromVal be ? Get(O, fromKey).
-			var fromVal = o[fromKey];
-			// 22.1.3.3.12.d.ii Perform ? Set(O, toKey, fromVal, true).
-			o[toKey] = fromVal;
-		} else {
-			// 22.1.3.3.12.e Else fromPresent is false,
-			// 22.1.3.3.12.e.i Perform ? DeletePropertyOrThrow(O, toKey).
-			delete o[toKey];
-		}
-		// 22.1.3.3.12.f Let from be from + direction.
-		from = from + direction;
-		// 22.1.3.3.12.g Let to be to + direction.
-		to = to + direction;
-		// 22.1.3.3.12.h Let count be count - 1.
-		count = count - 1;
-	}
-	// 22.1.3.3.13 Return O.
-	return o;
-});
-
-}
-
-if (!('Symbol' in this && 'iterator' in this.Symbol && !!Array.prototype.entries)) {
-
-// Array.prototype.entries
-/* global CreateMethodProperty, ToObject */
-// 22.1.3.4. Array.prototype.entries ( )
-CreateMethodProperty(Array.prototype, 'entries', function entries() {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Return CreateArrayIterator(O, "key+value").
-	// TODO: Add CreateArrayIterator
-	return new ArrayIterator(O, 'key+value');
-});
-
-}
-
-if (!('fill' in Array.prototype)) {
-
-// Array.prototype.fill
-/* global CreateMethodProperty, Get, ToInteger, ToLength, ToObject, ToString */
-// 22.1.3.6. Array.prototype.fill ( value [ , start [ , end ] ] )
-CreateMethodProperty(Array.prototype, 'fill', function fill(value /* [ , start [ , end ] ] */) {
-	var start = arguments[1];
-	var end = arguments[2];
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. Let relativeStart be ? ToInteger(start).
-	var relativeStart = ToInteger(start);
-	// 4. If relativeStart < 0, let k be max((len + relativeStart), 0); else let k be min(relativeStart, len)
-	var k = relativeStart < 0 ? Math.max((len + relativeStart), 0) : Math.min(relativeStart, len);
-	// 5. If end is undefined, let relativeEnd be len; else let relativeEnd be ? ToInteger(end).
-	var relativeEnd = end === undefined ? len : ToInteger(end);
-	// 6. If relativeEnd < 0, let final be max((len + relativeEnd), 0); else let final be min(relativeEnd, len).
-	var final = relativeEnd < 0 ? Math.max((len + relativeEnd), 0) : Math.min(relativeEnd, len);
-	// 7. Repeat, while k < final
-	while (k < final) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Perform ? Set(O, Pk, value, true).
-		O[Pk] = value;
-		// c. Increase k by 1.
-		k = k + 1;
-	}
-	// 8. Return O.
-	return O;
-});
-
-}
-
-if (!('find' in Array.prototype)) {
-
-// Array.prototype.find
-/* global Call, CreateMethodProperty, Get, IsCallable, ToBoolean, ToLength, ToObject, ToString */
-// 22.1.3.8 Array.prototype.find ( predicate [ , thisArg ] )
-CreateMethodProperty(Array.prototype, 'find', function find( predicate /* [ , thisArg ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. If IsCallable(predicate) is false, throw a TypeError exception.
-	if (IsCallable(predicate) === false) {
-		throw new TypeError(predicate + ' is not a function');
-	}
-	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
-	var T = arguments.length > 1 ? arguments[1] : undefined;
-	// 5. Let k be 0.
-	var k = 0;
-	// 6. Repeat, while k < len
-	while (k < len) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Let kValue be ? Get(O, Pk).
-		var kValue = Get(O, Pk);
-		// c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
-		var testResult = ToBoolean(Call(predicate, T, [kValue, k, O ]));
-		// d. If testResult is true, return kValue.
-		if (testResult) {
-			return kValue;
-		}
-		// e. Increase k by 1.
-		var k = k + 1;
-	}
-	// 7. Return undefined.
-	return undefined;
-});
-
-}
-
-if (!('findIndex' in Array.prototype)) {
-
-// Array.prototype.findIndex
-/* global Call, CreateMethodProperty, Get, IsCallable, ToBoolean, ToLength, ToObject, ToString */
-// 22.1.3.9. Array.prototype.findIndex ( predicate [ , thisArg ] )
-CreateMethodProperty(Array.prototype, 'findIndex', function findIndex(predicate /* [ , thisArg ] */) {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Let len be ? ToLength(? Get(O, "length")).
-	var len = ToLength(Get(O, "length"));
-	// 3. If IsCallable(predicate) is false, throw a TypeError exception.
-	if (IsCallable(predicate) === false) {
-		throw new TypeError(predicate + ' is not a function');
-	}
-	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
-	var T = arguments.length > 1 ? arguments[1] : undefined;
-	// 5. Let k be 0.
-	var k = 0;
-	// 6. Repeat, while k < len
-	while (k < len) {
-		// a. Let Pk be ! ToString(k).
-		var Pk = ToString(k);
-		// b. Let kValue be ? Get(O, Pk).
-		var kValue = Get(O, Pk);
-		// c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
-		var testResult = ToBoolean(Call(predicate, T, [kValue, k, O]));
-		// d. If testResult is true, return k.
-		if (testResult) {
-			return k;
-		}
-		// e. Increase k by 1.
-		k = k + 1;
-	}
-	// 7. Return -1.
-	return -1;
-});
-
-}
-
-if (!('Symbol' in this && 'iterator' in this.Symbol && !!Array.prototype.keys)) {
-
-// Array.prototype.keys
-/* global CreateMethodProperty, ToObject */
-// 22.1.3.14. Array.prototype.keys ( )
-CreateMethodProperty(Array.prototype, 'keys', function keys() {
-	// 1. Let O be ? ToObject(this value).
-	var O = ToObject(this);
-	// 2. Return CreateArrayIterator(O, "key").
-	// TODO: Add CreateArrayIterator.
-	return new ArrayIterator(O, 'key');
-});
-
-}
-
-if (!('name' in Function.prototype && (function x() {}).name === 'x')) {
-
-// Function.name
-(function () {
-
-	var
-	accessorName = 'name',
-	fnNameMatchRegex = /^\s*function\s+([^\(\s]*)\s*/,
-	$Function = Function,
-	FunctionName = 'Function',
-	FunctionProto = $Function.prototype,
-	FunctionProtoCtor = FunctionProto.constructor,
-
-	getFunctionName = function(fn) {
-		var match, name;
-
-		if (fn === $Function || fn === FunctionProtoCtor) {
-			name = FunctionName;
-		}
-		else if (fn !== FunctionProto) {
-			match = ('' + fn).match(fnNameMatchRegex);
-			name = match && match[1];
-		}
-		return name || '';
-	};
-
-
-	Object.defineProperty(FunctionProto, accessorName, {
-		get: function Function$name() {
-			var
-			fn = this,
-			fnName = getFunctionName(fn);
-
-			// Since named function definitions have immutable names, also memoize the
-			// output by defining the `name` property directly on this Function
-			// instance so the accessor function will not need to be invoked again.
-			if (fn !== FunctionProto) {
-				Object.defineProperty(fn, accessorName, {
-					value: fnName,
-					configurable: true
-				});
-			}
-
-			return fnName;
-		},
-		configurable: true
-	});
-
-}());
-
-}
-
-if (!('acosh' in Math)) {
-
-// Math.acosh
-/* global CreateMethodProperty */
-// 20.2.2.3. Math.acosh ( x )
-CreateMethodProperty(Math, 'acosh', function acosh(x) {
-	// If x is NaN, the result is NaN.
-	if (isNaN(x)) {
-		return NaN;
-	}
-	// If x is less than 1, the result is NaN.
-	if (x < 1) {
-		return NaN;
-	}
-	// If x is 1, the result is +0.
-	if (x === 1) {
-		return 0;
-	}
-	// If x is +∞, the result is +∞.
-	if (x === Infinity) {
-		return Infinity;
-	}
-	return Math.log(x + Math.sqrt(x * x - 1));
-});
-
-}
-
-if (!('asinh' in Math)) {
-
-// Math.asinh
-/* global CreateMethodProperty */
-// 20.2.2.5. Math.asinh ( x )
-CreateMethodProperty(Math, 'asinh', function asinh(x) {
-	// If x is NaN, the result is NaN.
-	if (isNaN(x)) {
-		return NaN;
-	}
-	// If x is +0, the result is +0.
-	if (x === 0 && 1/x === Infinity) {
-		return 0;
-	}
-	// If x is -0, the result is -0.
-	if (x === 0 && 1/x === -Infinity) {
-		return -0;
-	}
-	// If x is +∞, the result is +∞.
-	if (x === Infinity) {
-		return Infinity;
-	}
-	// If x is -∞, the result is -∞.
-	if (x === -Infinity) {
-		return -Infinity;
-	}
-	return Math.log(x + Math.sqrt(x * x + 1));
-});
-
-}
-
-if (!('atanh' in Math)) {
-
-// Math.atanh
-/* global CreateMethodProperty */
-// 20.2.2.7. Math.atanh ( x )
-CreateMethodProperty(Math, 'atanh', function atanh(x) {
-	// If x is NaN, the result is NaN.
-	if (isNaN(x)) {
-		return NaN;
-	}
-	// If x is less than -1, the result is NaN.
-	if (x < -1) {
-		return NaN;
-	}
-	// If x is greater than 1, the result is NaN.
-	if (x > 1) {
-		return NaN;
-	}
-	// If x is -1, the result is -∞.
-	if (x === -1) {
-		return -Infinity;
-	}
-	// If x is +1, the result is +∞.
-	if (x === 1) {
-		return Infinity;
-	}
-	// If x is +0, the result is +0.
-	if (x === 0 && 1/x === Infinity) {
-		return 0;
-	}
-	// If x is -0, the result is -0.
-	if (x === 0 && 1/x === -Infinity) {
-		return -0;
-	}
-	return Math.log((1 + x) / (1 - x)) / 2;
-});
-
-}
-
-if (!('cbrt' in Math)) {
-
-// Math.cbrt
-/* global CreateMethodProperty */
-// 20.2.2.9. Math.cbrt ( x )
-CreateMethodProperty(Math, 'cbrt', function cbrt(x) {
-	// If x is NaN, the result is NaN.
-	if (isNaN(x)) {
-		return NaN;
-	}
-	// If x is +0, the result is +0.
-	if (x === 0 && 1/x === Infinity) {
-		return 0;
-	}
-	// If x is -0, the result is -0.
-	if (x === 0 && 1/x === -Infinity) {
-		return -0;
-	}
-	// If x is +∞, the result is +∞.
-	if (x === Infinity) {
-		return Infinity;
-	}
-	// If x is -∞, the result is -∞.
-	if (x === -Infinity) {
-		return -Infinity;
-	}
-	var y = Math.pow(Math.abs(x), 1 / 3);
-	return x < 0 ? -y : y;
-});
-
-}
-
-
-// _ESAbstract.ToUint32
-// 7.1.6. ToUint32 ( argument )
-function ToUint32(argument) { // eslint-disable-line no-unused-vars
-	// 1. Let number be ? ToNumber(argument).
-	var number = Number(argument);
-	// 2. If number is NaN, +0, -0, +∞, or -∞, return +0.
-	if (isNaN(number) || 1/number === Infinity || 1/number === -Infinity || number === Infinity || number === -Infinity) {
-		return 0;
-	}
-	// 3. Let int be the mathematical value that is the same sign as number and whose magnitude is floor(abs(number)).
-	var int = ((number < 0) ? -1 : 1) * Math.floor(Math.abs(number));
-	// 4. Let int32bit be int modulo 2^32.
-	var int32bit = int >>> 0;
-	// 5. Return int32bit.
-	return int32bit;
-}
-if (!('clz32' in Math)) {
-
-// Math.clz32
-/* global CreateMethodProperty, ToUint32 */
-// 20.2.2.11. Math.clz32 ( x )
-CreateMethodProperty(Math, 'clz32', function clz32(x) {
-	// 1. Let n be ToUint32(x).
-	var n = ToUint32(x);
-	// 2. Let p be the number of leading zero bits in the 32-bit binary representation of n.
-	var p = n ? 32 - n.toString(2).length : 32;
-	// 3. Return p.
-	return p;
-});
-
-}
-
-if (!('cosh' in Math)) {
-
-// Math.cosh
-/* global CreateMethodProperty */
-// 20.2.2.1. 3Math.cosh ( x )
-CreateMethodProperty(Math, 'cosh', function cosh(x) {
-	// If x is NaN, the result is NaN.
-	if (isNaN(x)) {
-		return NaN;
-	}
-	// If x is +0, the result is 1.
-	if (x === 0 && 1/x === Infinity) {
-		return 1;
-	}
-	// If x is -0, the result is 1.
-	if (x === 0 && 1/x === -Infinity) {
-		return 1;
-	}
-	// If x is +∞, the result is +∞.
-	if (x === Infinity) {
-		return Infinity;
-	}
-	// If x is -∞, the result is +∞.
-	if (x === -Infinity) {
-		return Infinity;
-	}
-	x = Math.abs(x);
-	if (x > 709) {
-		var y = Math.exp(0.5 * x);
-		return y / 2 * y;
-	}
-	var y = Math.exp(x);
-	return (y + 1 / y) / 2;
-});
-
-}
-
-if (!('expm1' in Math)) {
-
-// Math.expm1
-/* global CreateMethodProperty */
-// 20.2.2.15. Math.expm1 ( x )
-CreateMethodProperty(Math, 'expm1', function expm1(x) {
-	// If x is NaN, the result is NaN.
-	if (isNaN(x)) {
-		return NaN;
-	}
-	// If x is +0, the result is +0.
-	if (x === 0 && 1/x === Infinity) {
-		return 0;
-	}
-	// If x is -0, the result is -0.
-	if (x === 0 && 1/x === -Infinity) {
-		return -0;
-	}
-	// If x is +∞, the result is +∞.
-	if (x === Infinity) {
-		return Infinity;
-	}
-	// If x is -∞, the result is -1.
-	if (x === -Infinity) {
-		return -1;
-	}
-
-	if (x > -1e-6 && x < 1e-6) {
-		return x + x * x / 2;
-	} else {
-		return Math.exp(x) - 1;
-	}
-});
-
-}
-
-
 // _TypedArray
 /*
  Copyright (c) 2010, Linden Research, Inc.
@@ -5361,10 +1839,832 @@ CreateMethodProperty(Math, 'expm1', function expm1(x) {
   }());
 
 }(self));
-if (!('fround' in Math)) {
+if (!("defineProperty"in Object&&function(){try{var e={}
+return Object.defineProperty(e,"test",{value:42}),!0}catch(t){return!1}}()
+)) {
+
+// Object.defineProperty
+(function (nativeDefineProperty) {
+
+	var supportsAccessors = Object.prototype.hasOwnProperty('__defineGetter__');
+	var ERR_ACCESSORS_NOT_SUPPORTED = 'Getters & setters cannot be defined on this javascript engine';
+	var ERR_VALUE_ACCESSORS = 'A property cannot both have accessors and be writable or have a value';
+
+	// Polyfill.io - This does not use CreateMethodProperty because our CreateMethodProperty function uses Object.defineProperty.
+	Object['defineProperty'] = function defineProperty(object, property, descriptor) {
+
+		// Where native support exists, assume it
+		if (nativeDefineProperty && (object === window || object === document || object === Element.prototype || object instanceof Element)) {
+			return nativeDefineProperty(object, property, descriptor);
+		}
+
+		if (object === null || !(object instanceof Object || typeof object === 'object')) {
+			throw new TypeError('Object.defineProperty called on non-object');
+		}
+
+		if (!(descriptor instanceof Object)) {
+			throw new TypeError('Property description must be an object');
+		}
+
+		var propertyString = String(property);
+		var hasValueOrWritable = 'value' in descriptor || 'writable' in descriptor;
+		var getterType = 'get' in descriptor && typeof descriptor.get;
+		var setterType = 'set' in descriptor && typeof descriptor.set;
+
+		// handle descriptor.get
+		if (getterType) {
+			if (getterType !== 'function') {
+				throw new TypeError('Getter must be a function');
+			}
+			if (!supportsAccessors) {
+				throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
+			}
+			if (hasValueOrWritable) {
+				throw new TypeError(ERR_VALUE_ACCESSORS);
+			}
+			Object.__defineGetter__.call(object, propertyString, descriptor.get);
+		} else {
+			object[propertyString] = descriptor.value;
+		}
+
+		// handle descriptor.set
+		if (setterType) {
+			if (setterType !== 'function') {
+				throw new TypeError('Setter must be a function');
+			}
+			if (!supportsAccessors) {
+				throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
+			}
+			if (hasValueOrWritable) {
+				throw new TypeError(ERR_VALUE_ACCESSORS);
+			}
+			Object.__defineSetter__.call(object, propertyString, descriptor.set);
+		}
+
+		// OK to define value unconditionally - if a getter has been specified as well, an error would be thrown above
+		if ('value' in descriptor) {
+			object[propertyString] = descriptor.value;
+		}
+
+		return object;
+	};
+}(Object.defineProperty));
+
+}
+
+
+// _ESAbstract.CreateDataProperty
+// 7.3.4. CreateDataProperty ( O, P, V )
+// NOTE
+// This abstract operation creates a property whose attributes are set to the same defaults used for properties created by the ECMAScript language assignment operator.
+// Normally, the property will not already exist. If it does exist and is not configurable or if O is not extensible, [[DefineOwnProperty]] will return false.
+function CreateDataProperty(O, P, V) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(O) is Object.
+	// 2. Assert: IsPropertyKey(P) is true.
+	// 3. Let newDesc be the PropertyDescriptor{ [[Value]]: V, [[Writable]]: true, [[Enumerable]]: true, [[Configurable]]: true }.
+	var newDesc = {
+		value: V,
+		writable: true,
+		enumerable: true,
+		configurable: true
+	};
+	// 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
+	try {
+		Object.defineProperty(O, P, newDesc);
+		return true;
+	} catch (e) {
+		return false;
+	}
+}
+
+// _ESAbstract.CreateDataPropertyOrThrow
+/* global CreateDataProperty */
+// 7.3.6. CreateDataPropertyOrThrow ( O, P, V )
+function CreateDataPropertyOrThrow(O, P, V) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(O) is Object.
+	// 2. Assert: IsPropertyKey(P) is true.
+	// 3. Let success be ? CreateDataProperty(O, P, V).
+	var success = CreateDataProperty(O, P, V);
+	// 4. If success is false, throw a TypeError exception.
+	if (!success) {
+		throw new TypeError('Cannot assign value `' + Object.prototype.toString.call(V) + '` to property `' + Object.prototype.toString.call(P) + '` on object `' + Object.prototype.toString.call(O) + '`');
+	}
+	// 5. Return success.
+	return success;
+}
+
+// _ESAbstract.CreateIterResultObject
+/* global Type, CreateDataProperty */
+// 7.4.7. CreateIterResultObject ( value, done )
+function CreateIterResultObject(value, done) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(done) is Boolean.
+	if (Type(done) !== 'boolean') {
+		throw new Error();
+	}
+	// 2. Let obj be ObjectCreate(%ObjectPrototype%).
+	var obj = {};
+	// 3. Perform CreateDataProperty(obj, "value", value).
+	CreateDataProperty(obj, "value", value);
+	// 4. Perform CreateDataProperty(obj, "done", done).
+	CreateDataProperty(obj, "done", done);
+	// 5. Return obj.
+	return obj;
+}
+
+// _ESAbstract.CreateMethodProperty
+// 7.3.5. CreateMethodProperty ( O, P, V )
+function CreateMethodProperty(O, P, V) { // eslint-disable-line no-unused-vars
+	// 1. Assert: Type(O) is Object.
+	// 2. Assert: IsPropertyKey(P) is true.
+	// 3. Let newDesc be the PropertyDescriptor{[[Value]]: V, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true}.
+	var newDesc = {
+		value: V,
+		writable: true,
+		enumerable: false,
+		configurable: true
+	};
+	// 4. Return ? O.[[DefineOwnProperty]](P, newDesc).
+	Object.defineProperty(O, P, newDesc);
+}
+if (!("isArray"in Array
+)) {
+
+// Array.isArray
+/* global CreateMethodProperty, IsArray */
+// 22.1.2.2. Array.isArray ( arg )
+CreateMethodProperty(Array, 'isArray', function isArray(arg) {
+	// 1. Return ? IsArray(arg).
+	return IsArray(arg);
+});
+
+}
+
+if (!("copyWithin"in Array.prototype&&function(){try{var t=function n(){}
+t.prototype[0]="foo"
+var o=new t
+o[1]=1,o[2]=2,o.length=3
+var r=Array.prototype.copyWithin.call(o,1,0)
+return!(!r[0]||Object.prototype.hasOwnProperty.call(r,"0")||!Object.prototype.hasOwnProperty.call(r,"1")||"foo"!==r[0]||"foo"!==r[1]||1!==r[2]||3!==r.length)}catch(e){return!1}}()
+)) {
+
+// Array.prototype.copyWithin
+/* global CreateMethodProperty, HasProperty, ToInteger */
+// 22.1.3.3 Array.prototype.copyWithin ( target, start [ , end ] )
+CreateMethodProperty(Array.prototype, 'copyWithin', function copyWithin(target, start /* [ , end ] */ ) {
+	'use strict';
+	var end = arguments[2];
+
+	// 22.1.3.3.1 Let O be ? ToObject(this value).
+	if (this === null || this === undefined) {
+		throw new TypeError('Cannot call method on ' + this);
+	}
+
+	var o = Object(this);
+
+	// 22.1.3.3.2 Let len be ? ToLength(? Get(O, "length")).
+	var len = ToInteger(o.length);
+	if (len <= 0) {
+		len = 0;
+	}
+	if (len === Infinity) {
+		len = Math.pow(2, 53) - 1;
+	} else {
+		len = Math.min(len, Math.pow(2, 53) - 1);
+	}
+	len = Math.max(len, 0);
+
+	// 22.1.3.3.3 Let relativeTarget be ? ToInteger(target).
+	var relativeTarget = ToInteger(target);
+
+	// 22.1.3.3.4 If relativeTarget < 0, let to be max((len + relativeTarget), 0); else let to be min(relativeTarget, len).
+	var to;
+	if (relativeTarget < 0) {
+		to = Math.max(len + relativeTarget, 0);
+	} else {
+		to = Math.min(relativeTarget, len);
+	}
+
+	// 22.1.3.3.5 Let relativeStart be ? ToInteger(start).
+	var relativeStart = ToInteger(start);
+
+	// 22.1.3.3.6 If relativeStart < 0, let from be max((len + relativeStart), 0); else let from be min(relativeStart, len).
+	var from;
+	if (relativeStart < 0) {
+		from = Math.max(len + relativeStart, 0);
+	} else {
+		from = Math.min(relativeStart, len);
+	}
+
+	// 22.1.3.3.7 If end is undefined, let relativeEnd be len; else let relativeEnd be ? ToInteger(end).
+	var relativeEnd;
+	if (end === undefined) {
+		relativeEnd = len;
+	} else {
+		relativeEnd = ToInteger(end);
+	}
+
+	// 22.1.3.3.8 If relativeEnd < 0, let final be max((len + relativeEnd), 0); else let final be min(relativeEnd, len).
+	var final;
+	if (relativeEnd < 0) {
+		final = Math.max(len + relativeEnd, 0);
+	} else {
+		final = Math.min(relativeEnd, len);
+	}
+
+	// 22.1.3.3.9 Let count be min(final-from, len-to).
+	var count = Math.min(final - from, len - to);
+
+	// 22.1.3.3.10 If from<to and to<from+count, then
+	var direction;
+	if (from < to && to < from + count) {
+		// 22.1.3.3.10.a Let direction be -1.
+		direction = -1;
+
+		// 22.1.3.3.10.b Let from be from + count - 1.
+		from = from + count - 1;
+
+		// 22.1.3.3.10.c Let to be to + count - 1.
+		to = to + count - 1;
+	} else {
+		// 22.1.3.3.11 Else,
+		// 22.1.3.3.11.a Let direction be 1.
+		direction = 1;
+	}
+
+	// 22.1.3.3.12 Repeat, while count > 0
+	while (count > 0) {
+		// 22.1.3.3.12.a Let fromKey be ! ToString(from).
+		var fromKey = String(from);
+		// 22.1.3.3.12.b Let toKey be ! ToString(to).
+		var toKey = String(to);
+		// 22.1.3.3.12.c Let fromPresent be ? HasProperty(O, fromKey).
+		var fromPresent = HasProperty(o, fromKey);
+		// 22.1.3.3.12.d If fromPresent is true, then
+		if (fromPresent) {
+			// 22.1.3.3.12.d.i Let fromVal be ? Get(O, fromKey).
+			var fromVal = o[fromKey];
+			// 22.1.3.3.12.d.ii Perform ? Set(O, toKey, fromVal, true).
+			o[toKey] = fromVal;
+		} else {
+			// 22.1.3.3.12.e Else fromPresent is false,
+			// 22.1.3.3.12.e.i Perform ? DeletePropertyOrThrow(O, toKey).
+			delete o[toKey];
+		}
+		// 22.1.3.3.12.f Let from be from + direction.
+		from = from + direction;
+		// 22.1.3.3.12.g Let to be to + direction.
+		to = to + direction;
+		// 22.1.3.3.12.h Let count be count - 1.
+		count = count - 1;
+	}
+	// 22.1.3.3.13 Return O.
+	return o;
+});
+
+}
+
+if (!("fill"in Array.prototype
+)) {
+
+// Array.prototype.fill
+/* global CreateMethodProperty, Get, ToInteger, ToLength, ToObject, ToString */
+// 22.1.3.6. Array.prototype.fill ( value [ , start [ , end ] ] )
+CreateMethodProperty(Array.prototype, 'fill', function fill(value /* [ , start [ , end ] ] */) {
+	var start = arguments[1];
+	var end = arguments[2];
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. Let relativeStart be ? ToInteger(start).
+	var relativeStart = ToInteger(start);
+	// 4. If relativeStart < 0, let k be max((len + relativeStart), 0); else let k be min(relativeStart, len)
+	var k = relativeStart < 0 ? Math.max((len + relativeStart), 0) : Math.min(relativeStart, len);
+	// 5. If end is undefined, let relativeEnd be len; else let relativeEnd be ? ToInteger(end).
+	var relativeEnd = end === undefined ? len : ToInteger(end);
+	// 6. If relativeEnd < 0, let final be max((len + relativeEnd), 0); else let final be min(relativeEnd, len).
+	var final = relativeEnd < 0 ? Math.max((len + relativeEnd), 0) : Math.min(relativeEnd, len);
+	// 7. Repeat, while k < final
+	while (k < final) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Perform ? Set(O, Pk, value, true).
+		O[Pk] = value;
+		// c. Increase k by 1.
+		k = k + 1;
+	}
+	// 8. Return O.
+	return O;
+});
+
+}
+
+if (!("find"in Array.prototype
+)) {
+
+// Array.prototype.find
+/* global Call, CreateMethodProperty, Get, IsCallable, ToBoolean, ToLength, ToObject, ToString */
+// 22.1.3.8 Array.prototype.find ( predicate [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'find', function find( predicate /* [ , thisArg ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. If IsCallable(predicate) is false, throw a TypeError exception.
+	if (IsCallable(predicate) === false) {
+		throw new TypeError(predicate + ' is not a function');
+	}
+	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
+	var T = arguments.length > 1 ? arguments[1] : undefined;
+	// 5. Let k be 0.
+	var k = 0;
+	// 6. Repeat, while k < len
+	while (k < len) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Let kValue be ? Get(O, Pk).
+		var kValue = Get(O, Pk);
+		// c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+		var testResult = ToBoolean(Call(predicate, T, [kValue, k, O ]));
+		// d. If testResult is true, return kValue.
+		if (testResult) {
+			return kValue;
+		}
+		// e. Increase k by 1.
+		var k = k + 1;
+	}
+	// 7. Return undefined.
+	return undefined;
+});
+
+}
+
+if (!("findIndex"in Array.prototype
+)) {
+
+// Array.prototype.findIndex
+/* global Call, CreateMethodProperty, Get, IsCallable, ToBoolean, ToLength, ToObject, ToString */
+// 22.1.3.9. Array.prototype.findIndex ( predicate [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'findIndex', function findIndex(predicate /* [ , thisArg ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. If IsCallable(predicate) is false, throw a TypeError exception.
+	if (IsCallable(predicate) === false) {
+		throw new TypeError(predicate + ' is not a function');
+	}
+	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
+	var T = arguments.length > 1 ? arguments[1] : undefined;
+	// 5. Let k be 0.
+	var k = 0;
+	// 6. Repeat, while k < len
+	while (k < len) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Let kValue be ? Get(O, Pk).
+		var kValue = Get(O, Pk);
+		// c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+		var testResult = ToBoolean(Call(predicate, T, [kValue, k, O]));
+		// d. If testResult is true, return k.
+		if (testResult) {
+			return k;
+		}
+		// e. Increase k by 1.
+		k = k + 1;
+	}
+	// 7. Return -1.
+	return -1;
+});
+
+}
+
+if (!("forEach"in Array.prototype
+)) {
+
+// Array.prototype.forEach
+/* global Call, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
+// 22.1.3.10. Array.prototype.forEach ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'forEach', function forEach(callbackfn /* [ , thisArg ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// Polyfill.io - If O is a String object, split it into an array in order to iterate correctly.
+	// We will use arrayLike in place of O when we are iterating through the list.
+	var arraylike = O instanceof String ? O.split('') : O;
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+	if (IsCallable(callbackfn) === false) {
+		throw new TypeError(callbackfn + ' is not a function');
+	}
+	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
+	var T = arguments.length > 1 ? arguments[1] : undefined;
+	// 5. Let k be 0.
+	var k = 0;
+	// 6. Repeat, while k < len
+	while (k < len) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Let kPresent be ? HasProperty(O, Pk).
+		var kPresent = HasProperty(arraylike, Pk);
+		// c. If kPresent is true, then
+		if (kPresent) {
+			// i. Let kValue be ? Get(O, Pk).
+			var kValue = Get(arraylike, Pk);
+			// ii. Perform ? Call(callbackfn, T, « kValue, k, O »).
+			Call(callbackfn, T, [kValue, k, O]);
+		}
+		// d. Increase k by 1.
+		k = k + 1;
+	}
+	// 7. Return undefined.
+	return undefined;
+});
+
+}
+
+if (!("bind"in Function.prototype
+)) {
+
+// Function.prototype.bind
+/* global CreateMethodProperty, IsCallable */
+// 19.2.3.2. Function.prototype.bind ( thisArg, ...args )
+// https://github.com/es-shims/es5-shim/blob/d6d7ff1b131c7ba14c798cafc598bb6780d37d3b/es5-shim.js#L182
+CreateMethodProperty(Function.prototype, 'bind', function bind(that) { // .length is 1
+	// add necessary es5-shim utilities
+	var $Array = Array;
+	var $Object = Object;
+	var ArrayPrototype = $Array.prototype;
+	var Empty = function Empty() { };
+	var array_slice = ArrayPrototype.slice;
+	var array_concat = ArrayPrototype.concat;
+	var array_push = ArrayPrototype.push;
+	var max = Math.max;
+	// /add necessary es5-shim utilities
+
+	// 1. Let Target be the this value.
+	var target = this;
+	// 2. If IsCallable(Target) is false, throw a TypeError exception.
+	if (!IsCallable(target)) {
+		throw new TypeError('Function.prototype.bind called on incompatible ' + target);
+	}
+	// 3. Let A be a new (possibly empty) internal list of all of the
+	//   argument values provided after thisArg (arg1, arg2 etc), in order.
+	// XXX slicedArgs will stand in for "A" if used
+	var args = array_slice.call(arguments, 1); // for normal call
+	// 4. Let F be a new native ECMAScript object.
+	// 11. Set the [[Prototype]] internal property of F to the standard
+	//   built-in Function prototype object as specified in 15.3.3.1.
+	// 12. Set the [[Call]] internal property of F as described in
+	//   15.3.4.5.1.
+	// 13. Set the [[Construct]] internal property of F as described in
+	//   15.3.4.5.2.
+	// 14. Set the [[HasInstance]] internal property of F as described in
+	//   15.3.4.5.3.
+	var bound;
+	var binder = function () {
+
+		if (this instanceof bound) {
+			// 15.3.4.5.2 [[Construct]]
+			// When the [[Construct]] internal method of a function object,
+			// F that was created using the bind function is called with a
+			// list of arguments ExtraArgs, the following steps are taken:
+			// 1. Let target be the value of F's [[TargetFunction]]
+			//   internal property.
+			// 2. If target has no [[Construct]] internal method, a
+			//   TypeError exception is thrown.
+			// 3. Let boundArgs be the value of F's [[BoundArgs]] internal
+			//   property.
+			// 4. Let args be a new list containing the same values as the
+			//   list boundArgs in the same order followed by the same
+			//   values as the list ExtraArgs in the same order.
+			// 5. Return the result of calling the [[Construct]] internal
+			//   method of target providing args as the arguments.
+
+			var result = target.apply(
+				this,
+				array_concat.call(args, array_slice.call(arguments))
+			);
+			if ($Object(result) === result) {
+				return result;
+			}
+			return this;
+
+		} else {
+			// 15.3.4.5.1 [[Call]]
+			// When the [[Call]] internal method of a function object, F,
+			// which was created using the bind function is called with a
+			// this value and a list of arguments ExtraArgs, the following
+			// steps are taken:
+			// 1. Let boundArgs be the value of F's [[BoundArgs]] internal
+			//   property.
+			// 2. Let boundThis be the value of F's [[BoundThis]] internal
+			//   property.
+			// 3. Let target be the value of F's [[TargetFunction]] internal
+			//   property.
+			// 4. Let args be a new list containing the same values as the
+			//   list boundArgs in the same order followed by the same
+			//   values as the list ExtraArgs in the same order.
+			// 5. Return the result of calling the [[Call]] internal method
+			//   of target providing boundThis as the this value and
+			//   providing args as the arguments.
+
+			// equiv: target.call(this, ...boundArgs, ...args)
+			return target.apply(
+				that,
+				array_concat.call(args, array_slice.call(arguments))
+			);
+
+		}
+
+	};
+
+	// 15. If the [[Class]] internal property of Target is "Function", then
+	//     a. Let L be the length property of Target minus the length of A.
+	//     b. Set the length own property of F to either 0 or L, whichever is
+	//       larger.
+	// 16. Else set the length own property of F to 0.
+
+	var boundLength = max(0, target.length - args.length);
+
+	// 17. Set the attributes of the length own property of F to the values
+	//   specified in 15.3.5.1.
+	var boundArgs = [];
+	for (var i = 0; i < boundLength; i++) {
+		array_push.call(boundArgs, '$' + i);
+	}
+
+	// XXX Build a dynamic function with desired amount of arguments is the only
+	// way to set the length property of a function.
+	// In environments where Content Security Policies enabled (Chrome extensions,
+	// for ex.) all use of eval or Function costructor throws an exception.
+	// However in all of these environments Function.prototype.bind exists
+	// and so this code will never be executed.
+	bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this, arguments); }')(binder);
+
+	if (target.prototype) {
+		Empty.prototype = target.prototype;
+		bound.prototype = new Empty();
+		// Clean up dangling references.
+		Empty.prototype = null;
+	}
+
+	// TODO
+	// 18. Set the [[Extensible]] internal property of F to true.
+
+	// TODO
+	// 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
+	// 20. Call the [[DefineOwnProperty]] internal method of F with
+	//   arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
+	//   thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
+	//   false.
+	// 21. Call the [[DefineOwnProperty]] internal method of F with
+	//   arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
+	//   [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
+	//   and false.
+
+	// TODO
+	// NOTE Function objects created using Function.prototype.bind do not
+	// have a prototype property or the [[Code]], [[FormalParameters]], and
+	// [[Scope]] internal properties.
+	// XXX can't delete prototype in pure-js.
+
+	// 22. Return F.
+	return bound;
+});
+
+}
+
+if (!("acosh"in Math
+)) {
+
+// Math.acosh
+/* global CreateMethodProperty */
+// 20.2.2.3. Math.acosh ( x )
+CreateMethodProperty(Math, 'acosh', function acosh(x) {
+	// If x is NaN, the result is NaN.
+	if (isNaN(x)) {
+		return NaN;
+	}
+	// If x is less than 1, the result is NaN.
+	if (x < 1) {
+		return NaN;
+	}
+	// If x is 1, the result is +0.
+	if (x === 1) {
+		return 0;
+	}
+	// If x is +∞, the result is +∞.
+	if (x === Infinity) {
+		return Infinity;
+	}
+	return Math.log(x + Math.sqrt(x * x - 1));
+});
+
+}
+
+if (!("asinh"in Math
+)) {
+
+// Math.asinh
+/* global CreateMethodProperty */
+// 20.2.2.5. Math.asinh ( x )
+CreateMethodProperty(Math, 'asinh', function asinh(x) {
+	// If x is NaN, the result is NaN.
+	if (isNaN(x)) {
+		return NaN;
+	}
+	// If x is +0, the result is +0.
+	if (x === 0 && 1/x === Infinity) {
+		return 0;
+	}
+	// If x is -0, the result is -0.
+	if (x === 0 && 1/x === -Infinity) {
+		return -0;
+	}
+	// If x is +∞, the result is +∞.
+	if (x === Infinity) {
+		return Infinity;
+	}
+	// If x is -∞, the result is -∞.
+	if (x === -Infinity) {
+		return -Infinity;
+	}
+	return Math.log(x + Math.sqrt(x * x + 1));
+});
+
+}
+
+if (!("atanh"in Math
+)) {
+
+// Math.atanh
+/* global CreateMethodProperty */
+// 20.2.2.7. Math.atanh ( x )
+CreateMethodProperty(Math, 'atanh', function atanh(x) {
+	// If x is NaN, the result is NaN.
+	if (isNaN(x)) {
+		return NaN;
+	}
+	// If x is less than -1, the result is NaN.
+	if (x < -1) {
+		return NaN;
+	}
+	// If x is greater than 1, the result is NaN.
+	if (x > 1) {
+		return NaN;
+	}
+	// If x is -1, the result is -∞.
+	if (x === -1) {
+		return -Infinity;
+	}
+	// If x is +1, the result is +∞.
+	if (x === 1) {
+		return Infinity;
+	}
+	// If x is +0, the result is +0.
+	if (x === 0 && 1/x === Infinity) {
+		return 0;
+	}
+	// If x is -0, the result is -0.
+	if (x === 0 && 1/x === -Infinity) {
+		return -0;
+	}
+	return Math.log((1 + x) / (1 - x)) / 2;
+});
+
+}
+
+if (!("cbrt"in Math
+)) {
+
+// Math.cbrt
+/* global CreateMethodProperty */
+// 20.2.2.9. Math.cbrt ( x )
+CreateMethodProperty(Math, 'cbrt', function cbrt(x) {
+	// If x is NaN, the result is NaN.
+	if (isNaN(x)) {
+		return NaN;
+	}
+	// If x is +0, the result is +0.
+	if (x === 0 && 1/x === Infinity) {
+		return 0;
+	}
+	// If x is -0, the result is -0.
+	if (x === 0 && 1/x === -Infinity) {
+		return -0;
+	}
+	// If x is +∞, the result is +∞.
+	if (x === Infinity) {
+		return Infinity;
+	}
+	// If x is -∞, the result is -∞.
+	if (x === -Infinity) {
+		return -Infinity;
+	}
+	var y = Math.pow(Math.abs(x), 1 / 3);
+	return x < 0 ? -y : y;
+});
+
+}
+
+if (!("clz32"in Math
+)) {
+
+// Math.clz32
+/* global CreateMethodProperty, ToUint32 */
+// 20.2.2.11. Math.clz32 ( x )
+CreateMethodProperty(Math, 'clz32', function clz32(x) {
+	// 1. Let n be ToUint32(x).
+	var n = ToUint32(x);
+	// 2. Let p be the number of leading zero bits in the 32-bit binary representation of n.
+	var p = n ? 32 - n.toString(2).length : 32;
+	// 3. Return p.
+	return p;
+});
+
+}
+
+if (!("cosh"in Math
+)) {
+
+// Math.cosh
+/* global CreateMethodProperty */
+// 20.2.2.1. 3Math.cosh ( x )
+CreateMethodProperty(Math, 'cosh', function cosh(x) {
+	// If x is NaN, the result is NaN.
+	if (isNaN(x)) {
+		return NaN;
+	}
+	// If x is +0, the result is 1.
+	if (x === 0 && 1/x === Infinity) {
+		return 1;
+	}
+	// If x is -0, the result is 1.
+	if (x === 0 && 1/x === -Infinity) {
+		return 1;
+	}
+	// If x is +∞, the result is +∞.
+	if (x === Infinity) {
+		return Infinity;
+	}
+	// If x is -∞, the result is +∞.
+	if (x === -Infinity) {
+		return Infinity;
+	}
+	x = Math.abs(x);
+	if (x > 709) {
+		var y = Math.exp(0.5 * x);
+		return y / 2 * y;
+	}
+	var y = Math.exp(x);
+	return (y + 1 / y) / 2;
+});
+
+}
+
+if (!("expm1"in Math
+)) {
+
+// Math.expm1
+/* global CreateMethodProperty */
+// 20.2.2.15. Math.expm1 ( x )
+CreateMethodProperty(Math, 'expm1', function expm1(x) {
+	// If x is NaN, the result is NaN.
+	if (isNaN(x)) {
+		return NaN;
+	}
+	// If x is +0, the result is +0.
+	if (x === 0 && 1/x === Infinity) {
+		return 0;
+	}
+	// If x is -0, the result is -0.
+	if (x === 0 && 1/x === -Infinity) {
+		return -0;
+	}
+	// If x is +∞, the result is +∞.
+	if (x === Infinity) {
+		return Infinity;
+	}
+	// If x is -∞, the result is -1.
+	if (x === -Infinity) {
+		return -1;
+	}
+
+	if (x > -1e-6 && x < 1e-6) {
+		return x + x * x / 2;
+	} else {
+		return Math.exp(x) - 1;
+	}
+});
+
+}
+
+if (!("fround"in Math
+)) {
 
 // Math.fround
-/* global Float32Array */
+/* global Float32Array, CreateMethodProperty */
 // 20.2.2.17 Math.fround ( x )
 CreateMethodProperty(Math, 'fround', function (x) {
 	// 1. If x is NaN, return NaN.
@@ -5383,7 +2683,8 @@ CreateMethodProperty(Math, 'fround', function (x) {
 
 }
 
-if (!('hypot' in Math)) {
+if (!("hypot"in Math
+)) {
 
 // Math.hypot
 /* global CreateMethodProperty */
@@ -5425,7 +2726,8 @@ CreateMethodProperty(Math, 'hypot', function hypot(value1, value2) { // eslint-d
 
 }
 
-if (!('imul' in Math)) {
+if (!("imul"in Math
+)) {
 
 // Math.imul
 /* global CreateMethodProperty, ToUint32 */
@@ -5435,15 +2737,19 @@ CreateMethodProperty(Math, 'imul', function imul(x, y) {
 	var a = ToUint32(x);
 	// 2. Let b be ToUint32(y).
 	var b = ToUint32(y);
-	// 3. Let product be (a × b) modulo 2^32.
-	var product = (a * b) % Math.pow(2, 32);
-	// 4. If product ≥ 2^31, return product - 2^32; otherwise return product.
-	return (product >= Math.pow(2, 31)) ? product - Math.pow(2, 32) : product;
+	var UINT16 = 0xffff;
+	var aHigh = a >>> 16 & UINT16;
+	var aLow = UINT16 & a;
+	var bHigh = b >>> 16 & UINT16;
+	var bLow = UINT16 & b;
+	// the shift by 0 fixes the sign on the high part
+	// the final |0 converts the unsigned value into a signed value
+	return aLow * bLow + (aHigh * bLow + aLow * bHigh << 16 >>> 0) | 0;
 });
-
 }
 
-if (!('log10' in Math)) {
+if (!("log10"in Math
+)) {
 
 // Math.log10
 /* global CreateMethodProperty */
@@ -5454,18 +2760,34 @@ CreateMethodProperty(Math, 'log10', function log10(x) {
 
 }
 
-if (!('log1p' in Math)) {
+if (!("log1p"in Math
+)) {
 
 // Math.log1p
 /* global CreateMethodProperty */
 // 20.2.2.21. Math.log1p ( x )
 CreateMethodProperty(Math, 'log1p', function log1p(x) {
+	x = Number(x);
+	if (-1 < x && x < 1) {
+		// Polyfill.io - For numbers in the range −1 < x < 1
+		// Because we are using log, the precision of the result will be identical to log(1).
+		// To fix this we avoid using log and use the Taylor Series expansion of log.
+		// This series converges when |x| < 1. As we can not sum to infinity,
+		// we instead sum the first 300 parts of the series to give a close approximation.
+		// |x|<1, log(1+x) = x - x^2/2 + x^3/3 - ... + (-1)^(n-1)*x^n/n + ...
+		var y = x;
+		for (var i = 2; i <= 300; i++) {
+			y += Math.pow((-1), (i - 1)) * Math.pow(x, i) / i;
+		}
+		return y;
+	}
+
 	return Math.log(1 + x);
 });
-
 }
 
-if (!('log2' in Math)) {
+if (!("log2"in Math
+)) {
 
 // Math.log2
 /* global CreateMethodProperty */
@@ -5476,7 +2798,8 @@ CreateMethodProperty(Math, 'log2', function log2(x) {
 
 }
 
-if (!('sign' in Math)) {
+if (!("sign"in Math
+)) {
 
 // Math.sign
 /* global CreateMethodProperty */
@@ -5507,7 +2830,8 @@ CreateMethodProperty(Math, 'sign', function sign(x) {
 
 }
 
-if (!('sinh' in Math)) {
+if (!("sinh"in Math
+)) {
 
 // Math.sinh
 /* global CreateMethodProperty */
@@ -5535,7 +2859,8 @@ CreateMethodProperty(Math, 'sinh', function sinh(x) {
 
 }
 
-if (!('tanh' in Math)) {
+if (!("tanh"in Math
+)) {
 
 // Math.tanh
 /* global CreateMethodProperty */
@@ -5548,7 +2873,8 @@ CreateMethodProperty(Math, 'tanh', function tanh(x) {
 
 }
 
-if (!('trunc' in Math)) {
+if (!("trunc"in Math
+)) {
 
 // Math.trunc
 /* global CreateMethodProperty */
@@ -5558,52 +2884,8 @@ CreateMethodProperty(Math, 'trunc', function trunc(x) {
 
 }
 
-if (!('EPSILON' in Number)) {
-
-// Number.Epsilon
-// 20.1.2.1. Number.EPSILON
-// The value of Number.EPSILON is the difference between 1 and the smallest value greater than 1 that is representable as a Number value, which is approximately 2.2204460492503130808472633361816 x 10-16.
-// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
-Object.defineProperty(Number, 'EPSILON', {
-	enumerable: false,
-	configurable: false,
-	writable: false,
-	value: Math.pow(2, -52)
-});
-
-}
-
-if (!('MAX_SAFE_INTEGER' in Number)) {
-
-// Number.MAX_SAFE_INTEGER
-// 20.1.2.6. Number.MAX_SAFE_INTEGER
-// The value of Number.MAX_SAFE_INTEGER is 9007199254740991 (2^53-1).
-// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
-Object.defineProperty(Number, 'MAX_SAFE_INTEGER', {
-	enumerable: false,
-	configurable: false,
-	writable: false,
-	value: Math.pow(2, 53) - 1
-});
-
-}
-
-if (!('MIN_SAFE_INTEGER' in Number)) {
-
-// Number.MIN_SAFE_INTEGER
-// 20.1.2.8. Number.MIN_SAFE_INTEGER
-// The value of Number.MIN_SAFE_INTEGER is -9007199254740991 (-(253-1)).
-// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
-Object.defineProperty(Number, 'MIN_SAFE_INTEGER', {
-	enumerable: false,
-	configurable: false,
-	writable: false,
-	value: -(Math.pow(2, 53) - 1)
-});
-
-}
-
-if (!('isFinite' in Number)) {
+if (!("isFinite"in Number
+)) {
 
 // Number.isFinite
 /* global CreateMethodProperty, Type */
@@ -5624,7 +2906,8 @@ if (!('isFinite' in Number)) {
 
 }
 
-if (!('isInteger' in Number)) {
+if (!("isInteger"in Number
+)) {
 
 // Number.isInteger
 /* global CreateMethodProperty, ToInteger, Type */
@@ -5650,7 +2933,8 @@ CreateMethodProperty(Number, 'isInteger', function isInteger(number) {
 
 }
 
-if (!('isNaN' in Number)) {
+if (!("isNaN"in Number
+)) {
 
 // Number.isNaN
 /* global CreateMethodProperty, Type */
@@ -5673,7 +2957,8 @@ if (!('isNaN' in Number)) {
 
 }
 
-if (!('isSafeInteger' in Number)) {
+if (!("isSafeInteger"in Number
+)) {
 
 // Number.isSafeInteger
 /* global CreateMethodProperty, Type, ToInteger */
@@ -5703,7 +2988,8 @@ CreateMethodProperty(Number, 'isSafeInteger', function isSafeInteger(number) {
 
 }
 
-if (!('parseFloat' in Number)) {
+if (!("parseFloat"in Number
+)) {
 
 // Number.parseFloat
 /* global CreateMethodProperty */
@@ -5713,7 +2999,8 @@ CreateMethodProperty(Number, 'parseFloat', parseFloat);
 
 }
 
-if (!('parseInt' in Number)) {
+if (!("parseInt"in Number
+)) {
 
 // Number.parseInt
 /* global CreateMethodProperty */
@@ -5723,38 +3010,312 @@ CreateMethodProperty(Number, 'parseInt', parseInt);
 
 }
 
+if (!("name"in Function.prototype&&"x"===function n(){}.name
+)) {
 
-// _ESAbstract.SameValue
-/* global Type, SameValueNonNumber */
-// 7.2.10. SameValue ( x, y )
-function SameValue(x, y) { // eslint-disable-line no-unused-vars
-	// 1. If Type(x) is different from Type(y), return false.
-	if (Type(x) !== Type(y)) {
-		return false;
-	}
-	// 2. If Type(x) is Number, then
-	if (Type(x) === 'number') {
-		// a. If x is NaN and y is NaN, return true.
-		if (isNaN(x) && isNaN(y)) {
-			return true;
+// Function.prototype.name
+(function () {
+
+	var
+	accessorName = 'name',
+	fnNameMatchRegex = /^\s*function\s+([^\(\s]*)\s*/,
+	$Function = Function,
+	FunctionName = 'Function',
+	FunctionProto = $Function.prototype,
+	FunctionProtoCtor = FunctionProto.constructor,
+
+	getFunctionName = function(fn) {
+		var match, name;
+
+		if (fn === $Function || fn === FunctionProtoCtor) {
+			name = FunctionName;
 		}
-		// Polyfill.io - 0 === -0 is true, but they are not the same value.
-		// b. If x is +0 and y is -0, return false.
-		// c. If x is -0 and y is +0, return false.
-		if (x === 0 && y === 0 && 1/x !== 1/y) {
-			return false;
+		else if (fn !== FunctionProto) {
+			match = ('' + fn).match(fnNameMatchRegex);
+			name = match && match[1];
 		}
-		// d. If x is the same Number value as y, return true.
-		if (x === y) {
-			return true;
-		}
-		// e. Return false.
-		return false;
-	}
-	// 3. Return SameValueNonNumber(x, y).
-	return SameValueNonNumber(x, y);
+		return name || '';
+	};
+
+
+	Object.defineProperty(FunctionProto, accessorName, {
+		get: function Function$name() {
+			var
+			fn = this,
+			fnName = getFunctionName(fn);
+
+			// Since named function definitions have immutable names, also memoize the
+			// output by defining the `name` property directly on this Function
+			// instance so the accessor function will not need to be invoked again.
+			if (fn !== FunctionProto) {
+				Object.defineProperty(fn, accessorName, {
+					value: fnName,
+					configurable: true
+				});
+			}
+
+			return fnName;
+		},
+		configurable: true
+	});
+
+}());
+
 }
-if (!('is' in Object)) {
+
+if (!("EPSILON"in Number
+)) {
+
+// Number.Epsilon
+// 20.1.2.1. Number.EPSILON
+// The value of Number.EPSILON is the difference between 1 and the smallest value greater than 1 that is representable as a Number value, which is approximately 2.2204460492503130808472633361816 x 10-16.
+// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
+Object.defineProperty(Number, 'EPSILON', {
+	enumerable: false,
+	configurable: false,
+	writable: false,
+	value: Math.pow(2, -52)
+});
+
+}
+
+if (!("MAX_SAFE_INTEGER"in Number
+)) {
+
+// Number.MAX_SAFE_INTEGER
+// 20.1.2.6. Number.MAX_SAFE_INTEGER
+// The value of Number.MAX_SAFE_INTEGER is 9007199254740991 (2^53-1).
+// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
+Object.defineProperty(Number, 'MAX_SAFE_INTEGER', {
+	enumerable: false,
+	configurable: false,
+	writable: false,
+	value: Math.pow(2, 53) - 1
+});
+
+}
+
+if (!("MIN_SAFE_INTEGER"in Number
+)) {
+
+// Number.MIN_SAFE_INTEGER
+// 20.1.2.8. Number.MIN_SAFE_INTEGER
+// The value of Number.MIN_SAFE_INTEGER is -9007199254740991 (-(253-1)).
+// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
+Object.defineProperty(Number, 'MIN_SAFE_INTEGER', {
+	enumerable: false,
+	configurable: false,
+	writable: false,
+	value: -(Math.pow(2, 53) - 1)
+});
+
+}
+
+if (!("freeze"in Object
+)) {
+
+// Object.freeze
+/* global CreateMethodProperty */
+// 19.1.2.6. Object.freeze ( O )
+CreateMethodProperty(Object, 'freeze', function freeze(O) {
+	// This feature cannot be implemented fully as a polyfill.
+	// We choose to silently fail which allows "securable" code
+	// to "gracefully" degrade to working but insecure code.
+	return O;
+});
+
+}
+
+if (!("getOwnPropertyDescriptor"in Object&&"function"==typeof Object.getOwnPropertyDescriptor&&function(){try{var t={}
+return t.test=0,0===Object.getOwnPropertyDescriptor(t,"test").value}catch(e){return!1}}()
+)) {
+
+// Object.getOwnPropertyDescriptor
+/* global CreateMethodProperty */
+(function () {
+	var call = Function.prototype.call;
+	var prototypeOfObject = Object.prototype;
+	var owns = call.bind(prototypeOfObject.hasOwnProperty);
+
+	var lookupGetter;
+	var lookupSetter;
+	var supportsAccessors;
+	if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
+	    lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
+	    lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
+	}
+	function doesGetOwnPropertyDescriptorWork(object) {
+	    try {
+	        object.sentinel = 0;
+	        return Object.getOwnPropertyDescriptor(
+	            object,
+	            "sentinel"
+	        ).value === 0;
+	    } catch (exception) {
+	        // returns falsy
+	    }
+	}
+	// check whether getOwnPropertyDescriptor works if it's given. Otherwise,
+	// shim partially.
+	if (Object.defineProperty) {
+	    var getOwnPropertyDescriptorWorksOnObject =
+	        doesGetOwnPropertyDescriptorWork({});
+	    var getOwnPropertyDescriptorWorksOnDom = typeof document == "undefined" ||
+	        doesGetOwnPropertyDescriptorWork(document.createElement("div"));
+	    if (!getOwnPropertyDescriptorWorksOnDom ||
+	        !getOwnPropertyDescriptorWorksOnObject
+	    ) {
+	        var getOwnPropertyDescriptorFallback = Object.getOwnPropertyDescriptor;
+	    }
+	}
+
+	if (!Object.getOwnPropertyDescriptor || getOwnPropertyDescriptorFallback) {
+	    var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a non-object: ";
+
+	    CreateMethodProperty(Object, 'getOwnPropertyDescriptor', function getOwnPropertyDescriptor(object, property) {
+	        if ((typeof object != "object" && typeof object != "function") || object === null) {
+	            throw new TypeError(ERR_NON_OBJECT + object);
+	        }
+
+	        // make a valiant attempt to use the real getOwnPropertyDescriptor
+	        // for I8's DOM elements.
+	        if (getOwnPropertyDescriptorFallback) {
+	            try {
+	                return getOwnPropertyDescriptorFallback.call(Object, object, property);
+	            } catch (exception) {
+	                // try the shim if the real one doesn't work
+	            }
+	        }
+
+	        // If object does not owns property return undefined immediately.
+	        if (!owns(object, property)) {
+	            return;
+	        }
+
+	        // If object has a property then it's for sure both `enumerable` and
+	        // `configurable`.
+	        var descriptor = { enumerable: true, configurable: true };
+
+	        // If JS engine supports accessor properties then property may be a
+	        // getter or setter.
+	        if (supportsAccessors) {
+	            // Unfortunately `__lookupGetter__` will return a getter even
+	            // if object has own non getter property along with a same named
+	            // inherited getter. To avoid misbehavior we temporary remove
+	            // `__proto__` so that `__lookupGetter__` will return getter only
+	            // if it's owned by an object.
+	            var prototype = object.__proto__;
+	            object.__proto__ = prototypeOfObject;
+
+	            var getter = lookupGetter(object, property);
+	            var setter = lookupSetter(object, property);
+
+	            // Once we have getter and setter we can put values back.
+	            object.__proto__ = prototype;
+
+	            if (getter || setter) {
+	                if (getter) {
+	                    descriptor.get = getter;
+	                }
+	                if (setter) {
+	                    descriptor.set = setter;
+	                }
+	                // If it was accessor property we're done and return here
+	                // in order to avoid adding `value` to the descriptor.
+	                return descriptor;
+	            }
+	        }
+
+	        // If we got this far we know that object has an own property that is
+	        // not an accessor so we set it as a value and return descriptor.
+	        descriptor.value = object[property];
+			descriptor.writable = true;
+	        return descriptor;
+	    });
+	}
+}());
+
+}
+
+if (!("getOwnPropertyNames"in Object
+)) {
+
+// Object.getOwnPropertyNames
+/* global CreateMethodProperty */
+
+var toString = ({}).toString;
+var split = ''.split;
+
+CreateMethodProperty(Object, 'getOwnPropertyNames', function getOwnPropertyNames(object) {
+	var buffer = [];
+	var key;
+
+	// Non-enumerable properties cannot be discovered but can be checked for by name.
+	// Define those used internally by JS to allow an incomplete solution
+	var commonProps = ['length', "name", "arguments", "caller", "prototype", "observe", "unobserve"];
+
+	if (typeof object === 'undefined' || object === null) {
+		throw new TypeError('Cannot convert undefined or null to object');
+	}
+
+	// Polyfill.io fallback for non-array-like strings which exist in some ES3 user-agents (IE 8)
+	object = toString.call(object) == '[object String]' ? split.call(object, '') : Object(object);
+
+	// Enumerable properties only
+	for (key in object) {
+		if (Object.prototype.hasOwnProperty.call(object, key)) {
+			buffer.push(key);
+		}
+	}
+
+	// Check for and add the common non-enumerable properties
+	for (var i=0, s=commonProps.length; i<s; i++) {
+		if (commonProps[i] in object) buffer.push(commonProps[i]);
+	}
+
+	return buffer;
+});
+
+}
+
+if (!("getPrototypeOf"in Object
+)) {
+
+// Object.getPrototypeOf
+/* global CreateMethodProperty */
+// Based on: https://github.com/es-shims/es5-shim/blob/master/es5-sham.js
+
+// https://github.com/es-shims/es5-shim/issues#issue/2
+// http://ejohn.org/blog/objectgetprototypeof/
+// recommended by fschaefer on github
+//
+// sure, and webreflection says ^_^
+// ... this will nerever possibly return null
+// ... Opera Mini breaks here with infinite loops
+CreateMethodProperty(Object, 'getPrototypeOf', function getPrototypeOf(object) {
+	if (object !== Object(object)) {
+		throw new TypeError('Object.getPrototypeOf called on non-object');
+	}
+	var proto = object.__proto__;
+	if (proto || proto === null) {
+		return proto;
+	} else if (typeof object.constructor == 'function' && object instanceof object.constructor) {
+    return object.constructor.prototype;
+  } else if (object instanceof Object) {
+		return Object.prototype;
+	} else {
+		// Correctly return null for Objects created with `Object.create(null)`
+		// (shammed or native) or `{ __proto__: null}`.  Also returns null for
+		// cross-realm objects on browsers that lack `__proto__` support (like
+		// IE <11), but that's the best we can do.
+		return null;
+	}
+});
+
+}
+
+if (!("is"in Object
+)) {
 
 // Object.is
 /* global CreateMethodProperty, SameValue */
@@ -5766,7 +3327,693 @@ CreateMethodProperty(Object, 'is', function is(value1, value2) {
 
 }
 
-if (!('Promise' in this)) {
+if (!("keys"in Object&&function(){return 2===Object.keys(arguments).length}(1,2)&&function(){try{return Object.keys(""),!0}catch(t){return!1}}()
+)) {
+
+// Object.keys
+/* global CreateMethodProperty */
+CreateMethodProperty(Object, "keys", (function() {
+	'use strict';
+
+	// modified from https://github.com/es-shims/object-keys
+
+	var has = Object.prototype.hasOwnProperty;
+	var toStr = Object.prototype.toString;
+	var isEnumerable = Object.prototype.propertyIsEnumerable;
+	var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');
+	var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');
+	var dontEnums = [
+		'toString',
+		'toLocaleString',
+		'valueOf',
+		'hasOwnProperty',
+		'isPrototypeOf',
+		'propertyIsEnumerable',
+		'constructor'
+	];
+	var equalsConstructorPrototype = function (o) {
+		var ctor = o.constructor;
+		return ctor && ctor.prototype === o;
+	};
+	var excludedKeys = {
+		$console: true,
+		$external: true,
+		$frame: true,
+		$frameElement: true,
+		$frames: true,
+		$innerHeight: true,
+		$innerWidth: true,
+		$outerHeight: true,
+		$outerWidth: true,
+		$pageXOffset: true,
+		$pageYOffset: true,
+		$parent: true,
+		$scrollLeft: true,
+		$scrollTop: true,
+		$scrollX: true,
+		$scrollY: true,
+		$self: true,
+		$webkitIndexedDB: true,
+		$webkitStorageInfo: true,
+		$window: true
+	};
+	var hasAutomationEqualityBug = (function () {
+		/* global window */
+		if (typeof window === 'undefined') { return false; }
+		for (var k in window) {
+			try {
+				if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {
+					try {
+						equalsConstructorPrototype(window[k]);
+					} catch (e) {
+						return true;
+					}
+				}
+			} catch (e) {
+				return true;
+			}
+		}
+		return false;
+	}());
+	var equalsConstructorPrototypeIfNotBuggy = function (o) {
+		/* global window */
+		if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
+			return equalsConstructorPrototype(o);
+		}
+		try {
+			return equalsConstructorPrototype(o);
+		} catch (e) {
+			return false;
+		}
+	};
+
+	function isArgumentsObject(value) {
+		var str = toStr.call(value);
+		var isArgs = str === '[object Arguments]';
+		if (!isArgs) {
+			isArgs = str !== '[object Array]' &&
+				value !== null &&
+				typeof value === 'object' &&
+				typeof value.length === 'number' &&
+				value.length >= 0 &&
+				toStr.call(value.callee) === '[object Function]';
+		}
+		return isArgs;
+	}
+
+	return function keys(object) {
+		var isFunction = toStr.call(object) === '[object Function]';
+		var isArguments = isArgumentsObject(object);
+		var isString = toStr.call(object) === '[object String]';
+		var theKeys = [];
+
+		if (object === undefined || object === null) {
+			throw new TypeError('Cannot convert undefined or null to object');
+		}
+
+		var skipProto = hasProtoEnumBug && isFunction;
+		if (isString && object.length > 0 && !has.call(object, 0)) {
+			for (var i = 0; i < object.length; ++i) {
+				theKeys.push(String(i));
+			}
+		}
+
+		if (isArguments && object.length > 0) {
+			for (var j = 0; j < object.length; ++j) {
+				theKeys.push(String(j));
+			}
+		} else {
+			for (var name in object) {
+				if (!(skipProto && name === 'prototype') && has.call(object, name)) {
+					theKeys.push(String(name));
+				}
+			}
+		}
+
+		if (hasDontEnumBug) {
+			var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
+
+			for (var k = 0; k < dontEnums.length; ++k) {
+				if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {
+					theKeys.push(dontEnums[k]);
+				}
+			}
+		}
+		return theKeys;
+	};
+}()));
+
+}
+
+if (!("assign"in Object
+)) {
+
+// Object.assign
+/* global CreateMethodProperty, Get, ToObject */
+// 19.1.2.1 Object.assign ( target, ...sources )
+CreateMethodProperty(Object, 'assign', function assign(target, source) { // eslint-disable-line no-unused-vars
+	// 1. Let to be ? ToObject(target).
+	var to = ToObject(target);
+
+	// 2. If only one argument was passed, return to.
+	if (arguments.length === 1) {
+		return to;
+	}
+
+	// 3. Let sources be the List of argument values starting with the second argument
+	var sources = Array.prototype.slice.call(arguments, 1);
+
+	// 4. For each element nextSource of sources, in ascending index order, do
+	var index1;
+	var index2;
+	var keys;
+	var from;
+	for (index1 = 0; index1 < sources.length; index1++) {
+		var nextSource = sources[index1];
+		// a. If nextSource is undefined or null, let keys be a new empty List.
+		if (nextSource === undefined || nextSource === null) {
+			keys = [];
+			// b. Else,
+		} else {
+			// i. Let from be ! ToObject(nextSource).
+			from = ToObject(nextSource);
+			// ii. Let keys be ? from.[[OwnPropertyKeys]]().
+			/*
+				This step in our polyfill is not complying with the specification.
+				[[OwnPropertyKeys]] is meant to return ALL keys, including non-enumerable and symbols.
+				TODO: When we have Reflect.ownKeys, use that instead as it is the userland equivalent of [[OwnPropertyKeys]].
+			*/
+			keys = Object.keys(from);
+		}
+
+		// c. For each element nextKey of keys in List order, do
+		for (index2 = 0; index2 < keys.length; index2++) {
+			var nextKey = keys[index2];
+			var enumerable;
+			try {
+				// i. Let desc be ? from.[[GetOwnProperty]](nextKey).
+				var desc = Object.getOwnPropertyDescriptor(from, nextKey);
+				// ii. If desc is not undefined and desc.[[Enumerable]] is true, then
+				enumerable = desc !== undefined && desc.enumerable === true;
+			} catch (e) {
+				// Polyfill.io - We use Object.prototype.propertyIsEnumerable as a fallback
+				// because `Object.getOwnPropertyDescriptor(window.location, 'hash')` causes Internet Explorer 11 to crash.
+				enumerable = Object.prototype.propertyIsEnumerable.call(from, nextKey);
+			}
+			if (enumerable) {
+				// 1. Let propValue be ? Get(from, nextKey).
+				var propValue = Get(from, nextKey);
+				// 2. Perform ? Set(to, nextKey, propValue, true).
+				to[nextKey] = propValue;
+			}
+		}
+	}
+	// 5. Return to.
+	return to;
+});
+
+}
+
+if (!("defineProperties"in Object
+)) {
+
+// Object.defineProperties
+/* global CreateMethodProperty, Get, ToObject, Type */
+// 19.1.2.3. Object.defineProperties ( O, Properties )
+CreateMethodProperty(Object, 'defineProperties', function defineProperties(O, Properties) {
+	// 1. If Type(O) is not Object, throw a TypeError exception.
+	if (Type(O) !== 'object') {
+		throw new TypeError('Object.defineProperties called on non-object');
+	}
+	// 2. Let props be ? ToObject(Properties).
+	var props = ToObject(Properties);
+	// 3. Let keys be ? props.[[OwnPropertyKeys]]().
+	/*
+		Polyfill.io - This step in our polyfill is not complying with the specification.
+		[[OwnPropertyKeys]] is meant to return ALL keys, including non-enumerable and symbols.
+		TODO: When we have Reflect.ownKeys, use that instead as it is the userland equivalent of [[OwnPropertyKeys]].
+	*/
+	var keys = Object.keys(props);
+	// 4. Let descriptors be a new empty List.
+	var descriptors = [];
+	// 5. For each element nextKey of keys in List order, do
+	for (var i = 0; i < keys.length; i++) {
+		var nextKey = keys[i];
+		// a. Let propDesc be ? props.[[GetOwnProperty]](nextKey).
+		var propDesc = Object.getOwnPropertyDescriptor(props, nextKey);
+		// b. If propDesc is not undefined and propDesc.[[Enumerable]] is true, then
+		if (propDesc !== undefined && propDesc.enumerable) {
+			// i. Let descObj be ? Get(props, nextKey).
+			var descObj = Get(props, nextKey);
+			// ii. Let desc be ? ToPropertyDescriptor(descObj).
+			// Polyfill.io - We skip this step because Object.defineProperty deals with it.
+			// TODO: Implement this step?
+			var desc = descObj;
+			// iii. Append the pair (a two element List) consisting of nextKey and desc to the end of descriptors.
+			descriptors.push([nextKey, desc]);
+		}
+	}
+	// 6. For each pair from descriptors in list order, do
+	for (var i = 0; i < descriptors.length; i++){
+		// a. Let P be the first element of pair.
+		var P = descriptors[i][0];
+		// b. Let desc be the second element of pair.
+		var desc = descriptors[i][1];
+		// c. Perform ? DefinePropertyOrThrow(O, P, desc).
+		Object.defineProperty(O, P, desc);
+	}
+	// 7. Return O.
+	return O;
+});
+
+}
+
+if (!("create"in Object
+)) {
+
+// Object.create
+/* global CreateMethodProperty, Type */
+CreateMethodProperty(Object, 'create', function create(O, properties) {
+	// 1. If Type(O) is neither Object nor Null, throw a TypeError exception.
+	if (Type(O) !== 'object' && Type(O) !== 'null') {
+		throw new TypeError('Object prototype may only be an Object or null');
+	}
+	// 2. Let obj be ObjectCreate(O).
+	var obj = new Function('e', 'function Object() {}Object.prototype=e;return new Object')(O);
+
+	obj.constructor.prototype = O;
+
+	// 3. If Properties is not undefined, then
+	if (1 in arguments) {
+		// a. Return ? ObjectDefineProperties(obj, Properties).
+		return Object.defineProperties(obj, properties);
+	}
+
+	return obj;
+});
+
+}
+
+
+// _ESAbstract.GetIterator
+/* global GetMethod, Symbol, Call, Type, GetV */
+// 7.4.1. GetIterator ( obj [ , method ] )
+// The abstract operation GetIterator with argument obj and optional argument method performs the following steps:
+function GetIterator(obj /*, method */) { // eslint-disable-line no-unused-vars
+	// 1. If method is not present, then
+		// a. Set method to ? GetMethod(obj, @@iterator).
+	var method = arguments.length > 1 ? arguments[1] : GetMethod(obj, Symbol.iterator);
+	// 2. Let iterator be ? Call(method, obj).
+	var iterator = Call(method, obj);
+	// 3. If Type(iterator) is not Object, throw a TypeError exception.
+	if (Type(iterator) !== 'object') {
+		throw new TypeError('bad iterator');
+	}
+	// 4. Let nextMethod be ? GetV(iterator, "next").
+	var nextMethod = GetV(iterator, "next");
+	// 5. Let iteratorRecord be Record {[[Iterator]]: iterator, [[NextMethod]]: nextMethod, [[Done]]: false}.
+	var iteratorRecord = Object.create(null);
+	iteratorRecord['[[Iterator]]'] = iterator;
+	iteratorRecord['[[NextMethod]]'] = nextMethod;
+	iteratorRecord['[[Done]]'] = false;
+	// 6. Return iteratorRecord.
+	return iteratorRecord;
+}
+
+// _ESAbstract.OrdinaryCreateFromConstructor
+/* global GetPrototypeFromConstructor */
+// 9.1.13. OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
+function OrdinaryCreateFromConstructor(constructor, intrinsicDefaultProto) { // eslint-disable-line no-unused-vars
+	var internalSlotsList = arguments[2] || {};
+	// 1. Assert: intrinsicDefaultProto is a String value that is this specification's name of an intrinsic object.
+	// The corresponding object must be an intrinsic that is intended to be used as the[[Prototype]] value of an object.
+
+	// 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
+	var proto = GetPrototypeFromConstructor(constructor, intrinsicDefaultProto);
+
+	// 3. Return ObjectCreate(proto, internalSlotsList).
+	// Polyfill.io - We do not pass internalSlotsList to Object.create because Object.create does not use the default ordinary object definitions specified in 9.1.
+	var obj = Object.create(proto);
+	for (var name in internalSlotsList) {
+		if (Object.prototype.hasOwnProperty.call(internalSlotsList, name)) {
+			Object.defineProperty(obj, name, {
+				configurable: true,
+				enumerable: false,
+				writable: true,
+				value: internalSlotsList[name]
+			});
+		}
+	}
+	return obj;
+}
+
+// _ESAbstract.Construct
+/* global IsConstructor, OrdinaryCreateFromConstructor, Call */
+// 7.3.13. Construct ( F [ , argumentsList [ , newTarget ]] )
+function Construct(F /* [ , argumentsList [ , newTarget ]] */) { // eslint-disable-line no-unused-vars
+	// 1. If newTarget is not present, set newTarget to F.
+	var newTarget = arguments.length > 2 ? arguments[2] : F;
+
+	// 2. If argumentsList is not present, set argumentsList to a new empty List.
+	var argumentsList = arguments.length > 1 ? arguments[1] : [];
+
+	// 3. Assert: IsConstructor(F) is true.
+	if (!IsConstructor(F)) {
+		throw new TypeError('F must be a constructor.');
+	}
+
+	// 4. Assert: IsConstructor(newTarget) is true.
+	if (!IsConstructor(newTarget)) {
+		throw new TypeError('newTarget must be a constructor.');
+	}
+
+	// 5. Return ? F.[[Construct]](argumentsList, newTarget).
+	// Polyfill.io - If newTarget is the same as F, it is equivalent to new F(...argumentsList).
+	if (newTarget === F) {
+		return new (Function.prototype.bind.apply(F, [null].concat(argumentsList)))();
+	} else {
+		// Polyfill.io - This is mimicking section 9.2.2 step 5.a.
+		var obj = OrdinaryCreateFromConstructor(newTarget, Object.prototype);
+		return Call(F, obj, argumentsList);
+	}
+}
+
+// _ESAbstract.ArraySpeciesCreate
+/* global IsArray, ArrayCreate, Get, Type, IsConstructor, Construct */
+// 9.4.2.3. ArraySpeciesCreate ( originalArray, length )
+function ArraySpeciesCreate(originalArray, length) { // eslint-disable-line no-unused-vars
+	// 1. Assert: length is an integer Number ≥ 0.
+	// 2. If length is -0, set length to +0.
+	if (1/length === -Infinity) {
+		length = 0;
+	}
+
+	// 3. Let isArray be ? IsArray(originalArray).
+	var isArray = IsArray(originalArray);
+
+	// 4. If isArray is false, return ? ArrayCreate(length).
+	if (isArray === false) {
+		return ArrayCreate(length);
+	}
+
+	// 5. Let C be ? Get(originalArray, "constructor").
+	var C = Get(originalArray, 'constructor');
+
+	// Polyfill.io - We skip this section as not sure how to make a cross-realm normal Array, a same-realm Array.
+	// 6. If IsConstructor(C) is true, then
+	// if (IsConstructor(C)) {
+		// a. Let thisRealm be the current Realm Record.
+		// b. Let realmC be ? GetFunctionRealm(C).
+		// c. If thisRealm and realmC are not the same Realm Record, then
+			// i. If SameValue(C, realmC.[[Intrinsics]].[[%Array%]]) is true, set C to undefined.
+	// }
+	// 7. If Type(C) is Object, then
+	if (Type(C) === 'object') {
+		// a. Set C to ? Get(C, @@species).
+		C = 'Symbol' in this && 'species' in this.Symbol ? Get(C, this.Symbol.species) : undefined;
+		// b. If C is null, set C to undefined.
+		if (C === null) {
+			C = undefined;
+		}
+	}
+	// 8. If C is undefined, return ? ArrayCreate(length).
+	if (C === undefined) {
+		return ArrayCreate(length);
+	}
+	// 9. If IsConstructor(C) is false, throw a TypeError exception.
+	if (!IsConstructor(C)) {
+		throw new TypeError('C must be a constructor');
+	}
+	// 10. Return ? Construct(C, « length »).
+	return Construct(C, [length]);
+}
+if (!("filter"in Array.prototype
+)) {
+
+// Array.prototype.filter
+/* global CreateMethodProperty, ToObject, ToLength, Get, IsCallable, ArraySpeciesCreate, ToString, HasProperty, ToBoolean, Call, CreateDataPropertyOrThrow */
+// 22.1.3.7. Array.prototype.filter ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'filter', function filter(callbackfn /* [ , thisArg ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+	if (IsCallable(callbackfn) === false) {
+		throw new TypeError(callbackfn + ' is not a function');
+	}
+	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
+	var T = arguments.length > 1 ? arguments[1] : undefined;
+	// 5. Let A be ? ArraySpeciesCreate(O, 0).
+	var A = ArraySpeciesCreate(O, 0);
+	// 6. Let k be 0.
+	var k = 0;
+	// 7. Let to be 0.
+	var to = 0;
+	// 8. Repeat, while k < len
+	while (k < len) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Let kPresent be ? HasProperty(O, Pk).
+		var kPresent = HasProperty(O, Pk);
+		// c. If kPresent is true, then
+		if (kPresent) {
+			// i. Let kValue be ? Get(O, Pk).
+			var kValue = Get(O, Pk);
+			// ii. Let selected be ToBoolean(? Call(callbackfn, T, « kValue, k, O »)).
+			var selected = ToBoolean(Call(callbackfn, T, [kValue, k, O]));
+			// iii. If selected is true, then
+			if (selected) {
+				// 1. Perform ? CreateDataPropertyOrThrow(A, ! ToString(to), kValue)
+				CreateDataPropertyOrThrow(A, ToString(to), kValue);
+				// 2. Increase to by 1.
+				to = to + 1;
+			}
+
+		}
+		// d. Increase k by 1.
+		k = k + 1;
+	}
+	// 9. Return A.
+	return A;
+});
+
+}
+
+if (!("map"in Array.prototype
+)) {
+
+// Array.prototype.map
+/* global ArraySpeciesCreate, Call, CreateDataPropertyOrThrow, CreateMethodProperty, Get, HasProperty, IsCallable, ToLength, ToObject, ToString */
+/* global CreateMethodProperty, ToObject, ToLength, Get, ArraySpeciesCreate, ToString, HasProperty, Call, CreateDataPropertyOrThrow */
+// 22.1.3.16. Array.prototype.map ( callbackfn [ , thisArg ] )
+CreateMethodProperty(Array.prototype, 'map', function map(callbackfn /* [ , thisArg ] */) {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Let len be ? ToLength(? Get(O, "length")).
+	var len = ToLength(Get(O, "length"));
+	// 3. If IsCallable(callbackfn) is false, throw a TypeError exception.
+	if (IsCallable(callbackfn) === false) {
+		throw new TypeError(callbackfn + ' is not a function');
+	}
+	// 4. If thisArg is present, let T be thisArg; else let T be undefined.
+	var T = arguments.length > 1 ? arguments[1] : undefined;
+	// 5. Let A be ? ArraySpeciesCreate(O, len).
+	var A = ArraySpeciesCreate(O, len);
+	// 6. Let k be 0.
+	var k = 0;
+	// 7. Repeat, while k < len
+	while (k < len) {
+		// a. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// b. Let kPresent be ? HasProperty(O, Pk).
+		var kPresent = HasProperty(O, Pk);
+		// c. If kPresent is true, then
+		if (kPresent) {
+			// i. Let kValue be ? Get(O, Pk).
+			var kValue = Get(O, Pk);
+			// ii. Let mappedValue be ? Call(callbackfn, T, « kValue, k, O »).
+			var mappedValue = Call(callbackfn, T, [kValue, k, O]);
+			// iii. Perform ? CreateDataPropertyOrThrow(A, Pk, mappedValue).
+			CreateDataPropertyOrThrow(A, Pk, mappedValue);
+		}
+		// d. Increase k by 1.
+		k = k + 1;
+	}
+	// 8. Return A.
+	return A;
+});
+
+}
+
+if (!("of"in Array
+)) {
+
+// Array.of
+/* global ArrayCreate, Construct, CreateDataPropertyOrThrow, CreateMethodProperty, IsConstructor, ToString */
+// 22.1.2.3. Array.of ( ...items )
+CreateMethodProperty(Array, 'of', function of() {
+	// 1. Let len be the actual number of arguments passed to this function.
+	var len = arguments.length;
+	// 2. Let items be the List of arguments passed to this function.
+	var items = arguments;
+	// 3. Let C be the this value.
+	var C = this;
+	// 4. If IsConstructor(C) is true, then
+	if (IsConstructor(C)) {
+		// a. Let A be ? Construct(C, « len »).
+		var A = Construct(C, [len]);
+		// 5. Else,
+	} else {
+		// a. Let A be ? ArrayCreate(len).
+		var A = ArrayCreate(len);
+	}
+	// 6. Let k be 0.
+	var k = 0;
+	// 7. Repeat, while k < len
+	while (k < len) {
+		// a. Let kValue be items[k].
+		var kValue = items[k];
+		// b. Let Pk be ! ToString(k).
+		var Pk = ToString(k);
+		// c. Perform ? CreateDataPropertyOrThrow(A, Pk, kValue).
+		CreateDataPropertyOrThrow(A, Pk, kValue);
+		// d. Increase k by 1.
+		var k = k + 1;
+
+	}
+	// 8. Perform ? Set(A, "length", len, true)
+	A["length"] = len;
+	// 9. Return A.
+	return A;
+});
+
+}
+
+if (!("seal"in Object&&function(){try{return Object.seal("1"),!0}catch(t){return!1}}
+)) {
+
+// Object.seal
+/* global CreateMethodProperty, Type */
+// 19.1.2.19 Object.seal ( O )
+(function(originalObjectSeal) {
+    CreateMethodProperty(Object, 'seal', function seal(O) {
+        // 1. If Type(O) is not Object, return O.
+        if (Type(O) === 'object') {
+            return O;
+        }
+        // 2. Let status be ? SetIntegrityLevel(O, "sealed").
+        // 3. If status is false, throw a TypeError exception.
+        // 4. Return O.
+        return originalObjectSeal ? originalObjectSeal(O) : O;
+    });
+}(Object.seal));
+
+
+}
+
+
+// Object.setPrototypeOf
+/* global CreateMethodProperty */
+// ES6-shim 0.16.0 (c) 2013-2014 Paul Miller (http://paulmillr.com)
+// ES6-shim may be freely distributed under the MIT license.
+// For more details and documentation:
+// https://github.com/paulmillr/es6-shim/
+
+ // NOTE:  This versions needs object ownership
+  //        because every promoted object needs to be reassigned
+  //        otherwise uncompatible browsers cannot work as expected
+  //
+  // NOTE:  This might need es5-shim or polyfills upfront
+  //        because it's based on ES5 API.
+  //        (probably just an IE <= 8 problem)
+  //
+  // NOTE:  nodejs is fine in version 0.8, 0.10, and future versions.
+(function () {
+	if (Object.setPrototypeOf) { return; }
+
+	/*jshint proto: true */
+	// @author    Andrea Giammarchi - @WebReflection
+
+	var getOwnPropertyNames = Object.getOwnPropertyNames;
+	var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+	var create = Object.create;
+	var defineProperty = Object.defineProperty;
+	var getPrototypeOf = Object.getPrototypeOf;
+	var objProto = Object.prototype;
+
+	var copyDescriptors = function (target, source) {
+		// define into target descriptors from source
+		getOwnPropertyNames(source).forEach(function (key) {
+			defineProperty(
+				target,
+				key,
+				getOwnPropertyDescriptor(source, key)
+			);
+		});
+		return target;
+	};
+	// used as fallback when no promotion is possible
+	var createAndCopy = function setPrototypeOf(origin, proto) {
+		return copyDescriptors(create(proto), origin);
+	};
+	var set, sPOf;
+	try {
+		// this might fail for various reasons
+		// ignore if Chrome cought it at runtime
+		set = getOwnPropertyDescriptor(objProto, '__proto__').set;
+		set.call({}, null);
+		// setter not poisoned, it can promote
+		// Firefox, Chrome
+		sPOf = function setPrototypeOf(origin, proto) {
+			set.call(origin, proto);
+			return origin;
+		};
+	} catch (e) {
+		// do one or more feature detections
+		set = { __proto__: null };
+		// if proto does not work, needs to fallback
+		// some Opera, Rhino, ducktape
+		if (set instanceof Object) {
+			sPOf = createAndCopy;
+		} else {
+			// verify if null objects are buggy
+			/* eslint-disable no-proto */
+			set.__proto__ = objProto;
+			/* eslint-enable no-proto */
+			// if null objects are buggy
+			// nodejs 0.8 to 0.10
+			if (set instanceof Object) {
+				sPOf = function setPrototypeOf(origin, proto) {
+					// use such bug to promote
+					/* eslint-disable no-proto */
+					origin.__proto__ = proto;
+					/* eslint-enable no-proto */
+					return origin;
+				};
+			} else {
+				// try to use proto or fallback
+				// Safari, old Firefox, many others
+				sPOf = function setPrototypeOf(origin, proto) {
+					// if proto is not null
+					if (getPrototypeOf(origin)) {
+						// use __proto__ to promote
+						/* eslint-disable no-proto */
+						origin.__proto__ = proto;
+						/* eslint-enable no-proto */
+						return origin;
+					} else {
+						// otherwise unable to promote: fallback
+						return createAndCopy(origin, proto);
+					}
+				};
+			}
+		}
+	}
+	CreateMethodProperty(Object, 'setPrototypeOf', sPOf);
+}());
+if (!("Promise"in this
+)) {
 
 // Promise
 !function(n){function t(r){if(e[r])return e[r].exports;var o=e[r]={i:r,l:!1,exports:{}};return n[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var e={};t.m=n,t.c=e,t.i=function(n){return n},t.d=function(n,e,r){t.o(n,e)||Object.defineProperty(n,e,{configurable:!1,enumerable:!0,get:r})},t.n=function(n){var e=n&&n.__esModule?function(){return n["default"]}:function(){return n};return t.d(e,"a",e),e},t.o=function(n,t){return Object.prototype.hasOwnProperty.call(n,t)},t.p="",t(t.s=100)}({100:/*!***********************!*\
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 }
 
-if (!('flags' in RegExp.prototype)) {
+if (!("flags"in RegExp.prototype
+)) {
 
 // RegExp.prototype.flags
 /* global Get, ToBoolean, Type */
@@ -5846,6 +4094,2103 @@ Object.defineProperty(RegExp.prototype, 'flags', {
 
 }
 
+if (!("fromCodePoint"in String&&1===String.fromCodePoint.length
+)) {
+
+// String.fromCodePoint
+/* global CreateMethodProperty, IsArray, SameValue, ToInteger, ToNumber, UTF16Encoding */
+
+// 21.1.2.2. String.fromCodePoint ( ...codePoints )
+CreateMethodProperty(String, 'fromCodePoint', function fromCodePoint(_) { // eslint-disable-line no-unused-vars
+	// Polyfill.io - List to store the characters whilst iterating over the code points.
+	var result = [];
+	// 1. Let codePoints be a List containing the arguments passed to this function.
+	var codePoints = arguments;
+	// 2. Let length be the number of elements in codePoints.
+	var length = arguments.length;
+	// 3. Let elements be a new empty List.
+	var elements = [];
+	// 4. Let nextIndex be 0.
+	var nextIndex = 0;
+	// 5. Repeat, while nextIndex < length
+	while (nextIndex < length) {
+		// Polyfill.io - We reset the elements List as we store the partial results in the result List.
+		var elements = [];
+		// a. Let next be codePoints[nextIndex].
+		var next = codePoints[nextIndex];
+		// b. Let nextCP be ? ToNumber(next).
+		var nextCP = ToNumber(next);
+		// c. If SameValue(nextCP, ToInteger(nextCP)) is false, throw a RangeError exception.
+		if (SameValue(nextCP, ToInteger(nextCP)) === false) {
+			throw new RangeError('Invalid code point ' + Object.prototype.toString.call(nextCP));
+		}
+		// d. If nextCP < 0 or nextCP > 0x10FFFF, throw a RangeError exception.
+		if (nextCP < 0 || nextCP > 0x10FFFF) {
+			throw new RangeError('Invalid code point ' + Object.prototype.toString.call(nextCP));
+		}
+		// e. Append the elements of the UTF16Encoding of nextCP to the end of elements.
+		// Polyfill.io - UTF16Encoding can return a single codepoint or a list of multiple codepoints.
+		var cp = UTF16Encoding(nextCP);
+		if (IsArray(cp)) {
+			elements = elements.concat(cp);
+		} else {
+			elements.push(cp);
+		}
+		// f. Let nextIndex be nextIndex + 1.
+		nextIndex = nextIndex + 1;
+
+		// Polyfill.io - Retrieving the characters whilst iterating enables the function to work in a memory efficient and performant way.
+		result.push(String.fromCharCode.apply(null, elements));
+	}
+	// 6. Return the String value whose elements are, in order, the elements in the List elements. If length is 0, the empty string is returned.
+	return length === 0 ? '' : result.join('');
+});
+
+}
+
+if (!("codePointAt"in String.prototype
+)) {
+
+// String.prototype.codePointAt
+/* global CreateMethodProperty, RequireObjectCoercible, ToInteger, ToString, UTF16Decode */
+// 21.1.3.3. String.prototype.codePointAt ( pos )
+CreateMethodProperty(String.prototype, 'codePointAt', function codePointAt(pos) {
+	// 1. Let O be ? RequireObjectCoercible(this value).
+	var O = RequireObjectCoercible(this);
+	// 2. Let S be ? ToString(O).
+	var S = ToString(O);
+	// 3. Let position be ? ToInteger(pos).
+	var position = ToInteger(pos);
+	// 4. Let size be the length of S.
+	var size = S.length;
+	// 5. If position < 0 or position ≥ size, return undefined.
+	if (position < 0 || position >= size) {
+		return undefined;
+	}
+	// 6. Let first be the numeric value of the code unit at index position within the String S.
+	var first = String.prototype.charCodeAt.call(S, position);
+	// 7. If first < 0xD800 or first > 0xDBFF or position+1 = size, return first.
+	if (first < 0xD800 || first > 0xDBFF || position + 1 === size) {
+		return first;
+	}
+	// 8. Let second be the numeric value of the code unit at index position+1 within the String S.
+	var second = String.prototype.charCodeAt.call(S, position + 1);
+	// 9. If second < 0xDC00 or second > 0xDFFF, return first.
+	if (second < 0xDC00 || second > 0xDFFF) {
+		return first;
+	}
+	// 10. Return UTF16Decode(first, second).
+	// 21.1.3.3.10 Return UTF16Decode(first, second).
+	return UTF16Decode(first, second);
+});
+
+}
+
+if (!("endsWith"in String.prototype
+)) {
+
+// String.prototype.endsWith
+/* global CreateMethodProperty, IsRegExp, RequireObjectCoercible, ToInteger, ToString */
+// 21.1.3.6. String.prototype.endsWith ( searchString [ , endPosition ] )
+CreateMethodProperty(String.prototype, 'endsWith', function endsWith(searchString /* [ , endPosition ] */) {
+	'use strict';
+	var endPosition = arguments.length > 1 ? arguments[1] : undefined;
+	// 1. Let O be ? RequireObjectCoercible(this value).
+	var O = RequireObjectCoercible(this);
+	// 2. Let S be ? ToString(O).
+	var S = ToString(O);
+	// 3. Let isRegExp be ? IsRegExp(searchString).
+	var isRegExp = IsRegExp(searchString);
+	// 4. If isRegExp is true, throw a TypeError exception.
+	if (isRegExp) {
+		throw new TypeError('First argument to String.prototype.endsWith must not be a regular expression');
+	}
+	// 5. Let searchStr be ? ToString(searchString).
+	var searchStr = ToString(searchString);
+	// 6. Let len be the length of S.
+	var len = S.length;
+	// 7. If endPosition is undefined, let pos be len, else let pos be ? ToInteger(endPosition).
+	var pos = endPosition === undefined ? len : ToInteger(endPosition);
+	// 8. Let end be min(max(pos, 0), len).
+	var end = Math.min(Math.max(pos, 0), len);
+	// 9. Let searchLength be the length of searchStr.
+	var searchLength = searchStr.length;
+	// 10. Let start be end - searchLength.
+	var start = end - searchLength;
+	// 11. If start is less than 0, return false.
+	if (start < 0) {
+		return false;
+	}
+	// 12. If the sequence of elements of S starting at start of length searchLength is the same as the full element sequence of searchStr, return true.
+	if (S.substr(start, searchLength) === searchStr) {
+		return true;
+	 }
+	// 13. Otherwise, return false.
+	return false;
+});
+
+}
+
+if (!("includes"in String.prototype
+)) {
+
+// String.prototype.includes
+/* global CreateMethodProperty, IsRegExp, RequireObjectCoercible, ToInteger, ToString */
+// 21.1.3.7. String.prototype.includes ( searchString [ , position ] )
+CreateMethodProperty(String.prototype, 'includes', function includes(searchString /* [ , position ] */) {
+	'use strict';
+	var position = arguments.length > 1 ? arguments[1] : undefined;
+	// 1. Let O be ? RequireObjectCoercible(this value).
+	var O = RequireObjectCoercible(this);
+	// 2. Let S be ? ToString(O).
+	var S = ToString(O);
+	// 3. Let isRegExp be ? IsRegExp(searchString).
+	var isRegExp = IsRegExp(searchString);
+	// 4. If isRegExp is true, throw a TypeError exception.
+	if (isRegExp) {
+		throw new TypeError('First argument to String.prototype.includes must not be a regular expression');
+	}
+	// 5. Let searchStr be ? ToString(searchString).
+	var searchStr = ToString(searchString);
+	// 6. Let pos be ? ToInteger(position). (If position is undefined, this step produces the value 0.)
+	var pos = ToInteger(position);
+	// 7. Let len be the length of S.
+	var len = S.length;
+	// 8. Let start be min(max(pos, 0), len).
+	var start = Math.min(Math.max(pos, 0), len);
+	// 9. Let searchLen be the length of searchStr.
+	// var searchLength = searchStr.length;
+	// 10. If there exists any integer k not smaller than start such that k + searchLen is not greater than len, and for all nonnegative integers j less than searchLen, the code unit at index k+j within S is the same as the code unit at index j within searchStr, return true; but if there is no such integer k, return false.
+	return String.prototype.indexOf.call(S, searchStr, start) !== -1;
+});
+
+}
+
+if (!("repeat"in String.prototype
+)) {
+
+// String.prototype.repeat
+/* global CreateMethodProperty, RequireObjectCoercible, ToInteger, ToString */
+// 21.1.3.15String.prototype.repeat ( count )
+CreateMethodProperty(String.prototype, 'repeat', function repeat(count) {
+	'use strict';
+	// 1. Let O be ? RequireObjectCoercible(this value).
+	var O = RequireObjectCoercible(this);
+	// 2. Let S be ? ToString(O).
+	var S = ToString(O);
+	// 3. Let n be ? ToInteger(count).
+	var n = ToInteger(count);
+	// 4. If n < 0, throw a RangeError exception.
+	if (n < 0) {
+		throw new RangeError('Invalid count value');
+	}
+	// 5. If n is +∞, throw a RangeError exception.
+	if (n === Infinity) {
+		throw new RangeError('Invalid count value');
+	}
+	// 6. Let T be the String value that is made from n copies of S appended together. If n is 0, T is the empty String.
+	var T = n === 0 ? '' : new Array(n + 1).join(S);
+	// 7. Return T.
+	return T;
+});
+
+}
+
+if (!("startsWith"in String.prototype
+)) {
+
+// String.prototype.startsWith
+/* global CreateMethodProperty, IsRegExp, RequireObjectCoercible, ToInteger, ToString */
+// 21.1.3.20. String.prototype.startsWith ( searchString [ , position ] )
+CreateMethodProperty(String.prototype, 'startsWith', function startsWith(searchString /* [ , position ] */) {
+	'use strict';
+	var position = arguments.length > 1 ? arguments[1] : undefined;
+	// 1. Let O be ? RequireObjectCoercible(this value).
+	var O = RequireObjectCoercible(this);
+	// 2. Let S be ? ToString(O).
+	var S = ToString(O);
+	// 3. Let isRegExp be ? IsRegExp(searchString).
+	var isRegExp = IsRegExp(searchString);
+	// 4. If isRegExp is true, throw a TypeError exception.
+	if (isRegExp) {
+		throw new TypeError('First argument to String.prototype.startsWith must not be a regular expression');
+	}
+	// 5. Let searchStr be ? ToString(searchString).
+	var searchStr = ToString(searchString);
+	// 6. Let pos be ? ToInteger(position). (If position is undefined, this step produces the value 0.)
+	var pos = ToInteger(position);
+	// 7. Let len be the length of S.
+	var len = S.length;
+	// 8. Let start be min(max(pos, 0), len).
+	var start = Math.min(Math.max(pos, 0), len);
+	// 9. Let searchLength be the length of searchStr.
+	var searchLength = searchStr.length;
+	// 10. If searchLength+start is greater than len, return false.
+	if (searchLength + start > len) {
+		return false;
+	}
+	// 11. If the sequence of elements of S starting at start of length searchLength is the same as the full element sequence of searchStr, return true.
+	if (S.substr(start).indexOf(searchString) === 0) {
+		return true;
+	}
+	// 12. Otherwise, return false.
+	return false;
+});
+
+}
+
+if (!("Symbol"in this&&0===this.Symbol.length
+)) {
+
+// Symbol
+// A modification of https://github.com/WebReflection/get-own-property-symbols
+// (C) Andrea Giammarchi - MIT Licensed
+
+(function (Object, GOPS, global) {
+
+	var	setDescriptor;
+	var id = 0;
+	var random = '' + Math.random();
+	var prefix = '__\x01symbol:';
+	var prefixLength = prefix.length;
+	var internalSymbol = '__\x01symbol@@' + random;
+	var DP = 'defineProperty';
+	var DPies = 'defineProperties';
+	var GOPN = 'getOwnPropertyNames';
+	var GOPD = 'getOwnPropertyDescriptor';
+	var PIE = 'propertyIsEnumerable';
+	var ObjectProto = Object.prototype;
+	var hOP = ObjectProto.hasOwnProperty;
+	var pIE = ObjectProto[PIE];
+	var toString = ObjectProto.toString;
+	var concat = Array.prototype.concat;
+	var cachedWindowNames = typeof window === 'object' ? Object.getOwnPropertyNames(window) : [];
+	var nGOPN = Object[GOPN];
+	var gOPN = function getOwnPropertyNames (obj) {
+		if (toString.call(obj) === '[object Window]') {
+			try {
+				return nGOPN(obj);
+			} catch (e) {
+				// IE bug where layout engine calls userland gOPN for cross-domain `window` objects
+				return concat.call([], cachedWindowNames);
+			}
+		}
+		return nGOPN(obj);
+	};
+	var gOPD = Object[GOPD];
+	var create = Object.create;
+	var keys = Object.keys;
+	var freeze = Object.freeze || Object;
+	var defineProperty = Object[DP];
+	var $defineProperties = Object[DPies];
+	var descriptor = gOPD(Object, GOPN);
+	var addInternalIfNeeded = function (o, uid, enumerable) {
+		if (!hOP.call(o, internalSymbol)) {
+			try {
+				defineProperty(o, internalSymbol, {
+					enumerable: false,
+					configurable: false,
+					writable: false,
+					value: {}
+				});
+			} catch (e) {
+				o[internalSymbol] = {};
+			}
+		}
+		o[internalSymbol]['@@' + uid] = enumerable;
+	};
+	var createWithSymbols = function (proto, descriptors) {
+		var self = create(proto);
+		gOPN(descriptors).forEach(function (key) {
+			if (propertyIsEnumerable.call(descriptors, key)) {
+				$defineProperty(self, key, descriptors[key]);
+			}
+		});
+		return self;
+	};
+	var copyAsNonEnumerable = function (descriptor) {
+		var newDescriptor = create(descriptor);
+		newDescriptor.enumerable = false;
+		return newDescriptor;
+	};
+	var get = function get(){};
+	var onlyNonSymbols = function (name) {
+		return name != internalSymbol &&
+			!hOP.call(source, name);
+	};
+	var onlySymbols = function (name) {
+		return name != internalSymbol &&
+			hOP.call(source, name);
+	};
+	var propertyIsEnumerable = function propertyIsEnumerable(key) {
+		var uid = '' + key;
+		return onlySymbols(uid) ? (
+			hOP.call(this, uid) &&
+			this[internalSymbol]['@@' + uid]
+		) : pIE.call(this, key);
+	};
+	var setAndGetSymbol = function (uid) {
+		var descriptor = {
+			enumerable: false,
+			configurable: true,
+			get: get,
+			set: function (value) {
+			setDescriptor(this, uid, {
+				enumerable: false,
+				configurable: true,
+				writable: true,
+				value: value
+			});
+			addInternalIfNeeded(this, uid, true);
+			}
+		};
+		try {
+			defineProperty(ObjectProto, uid, descriptor);
+		} catch (e) {
+			ObjectProto[uid] = descriptor.value;
+		}
+		return freeze(source[uid] = defineProperty(
+			Object(uid),
+			'constructor',
+			sourceConstructor
+		));
+	};
+	var Symbol = function Symbol() {
+		var description = arguments[0];
+		if (this instanceof Symbol) {
+			throw new TypeError('Symbol is not a constructor');
+		}
+		return setAndGetSymbol(
+			prefix.concat(description || '', random, ++id)
+		);
+		};
+	var source = create(null);
+	var sourceConstructor = {value: Symbol};
+	var sourceMap = function (uid) {
+		return source[uid];
+		};
+	var $defineProperty = function defineProp(o, key, descriptor) {
+		var uid = '' + key;
+		if (onlySymbols(uid)) {
+			setDescriptor(o, uid, descriptor.enumerable ?
+				copyAsNonEnumerable(descriptor) : descriptor);
+			addInternalIfNeeded(o, uid, !!descriptor.enumerable);
+		} else {
+			defineProperty(o, key, descriptor);
+		}
+		return o;
+	};
+
+	var onlyInternalSymbols = function (obj) {
+		return function (name) {
+			return hOP.call(obj, internalSymbol) && hOP.call(obj[internalSymbol], '@@' + name);
+		};
+	};
+	var $getOwnPropertySymbols = function getOwnPropertySymbols(o) {
+		return gOPN(o).filter(o === ObjectProto ? onlyInternalSymbols(o) : onlySymbols).map(sourceMap);
+		}
+	;
+
+	descriptor.value = $defineProperty;
+	defineProperty(Object, DP, descriptor);
+
+	descriptor.value = $getOwnPropertySymbols;
+	defineProperty(Object, GOPS, descriptor);
+
+	descriptor.value = function getOwnPropertyNames(o) {
+		return gOPN(o).filter(onlyNonSymbols);
+	};
+	defineProperty(Object, GOPN, descriptor);
+
+	descriptor.value = function defineProperties(o, descriptors) {
+		var symbols = $getOwnPropertySymbols(descriptors);
+		if (symbols.length) {
+		keys(descriptors).concat(symbols).forEach(function (uid) {
+			if (propertyIsEnumerable.call(descriptors, uid)) {
+			$defineProperty(o, uid, descriptors[uid]);
+			}
+		});
+		} else {
+		$defineProperties(o, descriptors);
+		}
+		return o;
+	};
+	defineProperty(Object, DPies, descriptor);
+
+	descriptor.value = propertyIsEnumerable;
+	defineProperty(ObjectProto, PIE, descriptor);
+
+	descriptor.value = Symbol;
+	defineProperty(global, 'Symbol', descriptor);
+
+	// defining `Symbol.for(key)`
+	descriptor.value = function (key) {
+		var uid = prefix.concat(prefix, key, random);
+		return uid in ObjectProto ? source[uid] : setAndGetSymbol(uid);
+	};
+	defineProperty(Symbol, 'for', descriptor);
+
+	// defining `Symbol.keyFor(symbol)`
+	descriptor.value = function (symbol) {
+		if (onlyNonSymbols(symbol))
+		throw new TypeError(symbol + ' is not a symbol');
+		return hOP.call(source, symbol) ?
+		symbol.slice(prefixLength * 2, -random.length) :
+		void 0
+		;
+	};
+	defineProperty(Symbol, 'keyFor', descriptor);
+
+	descriptor.value = function getOwnPropertyDescriptor(o, key) {
+		var descriptor = gOPD(o, key);
+		if (descriptor && onlySymbols(key)) {
+		descriptor.enumerable = propertyIsEnumerable.call(o, key);
+		}
+		return descriptor;
+	};
+	defineProperty(Object, GOPD, descriptor);
+
+	descriptor.value = function (proto, descriptors) {
+		return arguments.length === 1 || typeof descriptors === "undefined" ?
+		create(proto) :
+		createWithSymbols(proto, descriptors);
+	};
+	defineProperty(Object, 'create', descriptor);
+
+	descriptor.value = function () {
+		var str = toString.call(this);
+		return (str === '[object String]' && onlySymbols(this)) ? '[object Symbol]' : str;
+	};
+	defineProperty(ObjectProto, 'toString', descriptor);
+
+
+	setDescriptor = function (o, key, descriptor) {
+		var protoDescriptor = gOPD(ObjectProto, key);
+		delete ObjectProto[key];
+		defineProperty(o, key, descriptor);
+		if (o !== ObjectProto) {
+			defineProperty(ObjectProto, key, protoDescriptor);
+		}
+	};
+
+}(Object, 'getOwnPropertySymbols', this));
+
+}
+
+if (!("Symbol"in this&&"hasInstance"in this.Symbol
+)) {
+
+// Symbol.hasInstance
+/* global Symbol */
+Object.defineProperty(Symbol, 'hasInstance', { value: Symbol('hasInstance') });
+
+}
+
+if (!("Symbol"in this&&"isConcatSpreadable"in this.Symbol
+)) {
+
+// Symbol.isConcatSpreadable
+/* global Symbol */
+Object.defineProperty(Symbol, 'isConcatSpreadable', { value: Symbol('isConcatSpreadable') });
+
+}
+
+if (!("Symbol"in this&&"iterator"in this.Symbol
+)) {
+
+// Symbol.iterator
+/* global Symbol */
+Object.defineProperty(Symbol, 'iterator', { value: Symbol('iterator') });
+
+}
+
+if (!("Symbol"in this&&"match"in this.Symbol
+)) {
+
+// Symbol.match
+/* global Symbol */
+Object.defineProperty(Symbol, 'match', { value: Symbol('match') });
+
+}
+
+if (!("Symbol"in this&&"replace"in this.Symbol
+)) {
+
+// Symbol.replace
+/* global Symbol */
+Object.defineProperty(Symbol, 'replace', { value: Symbol('replace') });
+
+}
+
+if (!("Symbol"in this&&"search"in this.Symbol
+)) {
+
+// Symbol.search
+/* global Symbol */
+Object.defineProperty(Symbol, 'search', { value: Symbol('search') });
+
+}
+
+if (!("Symbol"in this&&"species"in this.Symbol
+)) {
+
+// Symbol.species
+/* global Symbol */
+Object.defineProperty(Symbol, 'species', { value: Symbol('species') });
+
+}
+
+if (!("Map"in this&&function(){try{var t=new Map([[1,1],[2,2]])
+return 0===Map.length&&2===t.size&&"Symbol"in this&&"iterator"in Symbol&&"function"==typeof t[Symbol.iterator]}catch(n){return!1}}()
+)) {
+
+// Map
+/* global CreateIterResultObject, CreateMethodProperty, GetIterator, IsCallable, IteratorClose, IteratorStep, IteratorValue, OrdinaryCreateFromConstructor, SameValueZero, Type, Symbol */
+(function (global) {
+	var supportsGetters = (function () {
+		try {
+			var a = {};
+			Object.defineProperty(a, 't', {
+				configurable: true,
+				enumerable: false,
+				get: function () {
+					return true;
+				},
+				set: undefined
+			});
+			return !!a.t;
+		} catch (e) {
+			return false;
+		}
+	}());
+
+	// Deleted map items mess with iterator pointers, so rather than removing them mark them as deleted. Can't use undefined or null since those both valid keys so use a private symbol.
+	var undefMarker = Symbol('undef');
+	// 23.1.1.1 Map ( [ iterable ] )
+	var Map = function Map(/* iterable */) {
+		// 1. If NewTarget is undefined, throw a TypeError exception.
+		if (!(this instanceof Map)) {
+			throw new TypeError('Constructor Map requires "new"');
+		}
+		// 2. Let map be ? OrdinaryCreateFromConstructor(NewTarget, "%MapPrototype%", « [[MapData]] »).
+		var map = OrdinaryCreateFromConstructor(this, Map.prototype, {
+			_keys: [],
+			_values: [],
+			_size: 0,
+			_es6Map: true
+		});
+
+		// 3. Set map.[[MapData]] to a new empty List.
+		// Polyfill.io - This step was done as part of step two.
+
+		// Some old engines do not support ES5 getters/setters.  Since Map only requires these for the size property, we can fall back to setting the size property statically each time the size of the map changes.
+		if (!supportsGetters) {
+			Object.defineProperty(map, 'size', {
+				configurable: true,
+				enumerable: false,
+				writable: true,
+				value: 0
+			});
+		}
+
+		// 4. If iterable is not present, let iterable be undefined.
+		var iterable = arguments.length > 0 ? arguments[0] : undefined;
+
+		// 5. If iterable is either undefined or null, return map.
+		if (iterable === null || iterable === undefined) {
+			return map;
+		}
+
+		// 6. Let adder be ? Get(map, "set").
+		var adder = map.set;
+
+		// 7. If IsCallable(adder) is false, throw a TypeError exception.
+		if (!IsCallable(adder)) {
+			throw new TypeError("Map.prototype.set is not a function");
+		}
+
+		// 8. Let iteratorRecord be ? GetIterator(iterable).
+		try {
+			var iteratorRecord = GetIterator(iterable);
+			// 9. Repeat,
+			while (true) {
+				// a. Let next be ? IteratorStep(iteratorRecord).
+				var next = IteratorStep(iteratorRecord);
+				// b. If next is false, return map.
+				if (next === false) {
+					return map;
+				}
+				// c. Let nextItem be ? IteratorValue(next).
+				var nextItem = IteratorValue(next);
+				// d. If Type(nextItem) is not Object, then
+				if (Type(nextItem) !== 'object') {
+					// i. Let error be Completion{[[Type]]: throw, [[Value]]: a newly created TypeError object, [[Target]]: empty}.
+					try {
+						throw new TypeError('Iterator value ' + nextItem + ' is not an entry object');
+					} catch (error) {
+						// ii. Return ? IteratorClose(iteratorRecord, error).
+						return IteratorClose(iteratorRecord, error);
+					}
+				}
+				try {
+					// Polyfill.io - The try catch accounts for steps: f, h, and j.
+
+					// e. Let k be Get(nextItem, "0").
+					var k = nextItem[0];
+					// f. If k is an abrupt completion, return ? IteratorClose(iteratorRecord, k).
+					// g. Let v be Get(nextItem, "1").
+					var v = nextItem[1];
+					// h. If v is an abrupt completion, return ? IteratorClose(iteratorRecord, v).
+					// i. Let status be Call(adder, map, « k.[[Value]], v.[[Value]] »).
+					adder.call(map, k, v);
+				} catch (e) {
+					// j. If status is an abrupt completion, return ? IteratorClose(iteratorRecord, status).
+					return IteratorClose(iteratorRecord, e);
+				}
+			}
+		} catch (e) {
+			// Polyfill.io - For user agents which do not have iteration methods on argument objects or arrays, we can special case those.
+			if (Array.isArray(iterable) ||
+				Object.prototype.toString.call(iterable) === '[object Arguments]' ||
+				// IE 7 & IE 8 return '[object Object]' for the arguments object, we can detect by checking for the existence of the callee property
+				(!!iterable.callee)) {
+				var index;
+				var length = iterable.length;
+				for (index = 0; index < length; index++) {
+					adder.call(map, iterable[index][0], iterable[index][1]);
+				}
+			}
+		}
+		return map;
+	};
+
+	// 23.1.2.1. Map.prototype
+	// The initial value of Map.prototype is the intrinsic object %MapPrototype%.
+	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
+	Object.defineProperty(Map, 'prototype', {
+		configurable: false,
+		enumerable: false,
+		writable: false,
+		value: {}
+	});
+
+	// 23.1.2.2 get Map [ @@species ]
+	if (supportsGetters) {
+		Object.defineProperty(Map, Symbol.species, {
+			configurable: true,
+			enumerable: false,
+			get: function () {
+				// 1. Return the this value.
+				return this;
+			},
+			set: undefined
+		});
+	} else {
+		CreateMethodProperty(Map, Symbol.species, Map);
+	}
+
+	// 23.1.3.1 Map.prototype.clear ( )
+	CreateMethodProperty(Map.prototype, 'clear', function clear() {
+			// 1. Let M be the this value.
+			var M = this;
+			// 2. If Type(M) is not Object, throw a TypeError exception.
+			if (Type(M) !== 'object') {
+				throw new TypeError('Method Map.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
+			if (M._es6Map !== true) {
+				throw new TypeError('Method Map.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 4. Let entries be the List that is M.[[MapData]].
+			var entries = M._keys;
+			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
+			for (var i = 0; i < entries.length; i++) {
+				// 5.a. Set p.[[Key]] to empty.
+				M._keys[i] = undefMarker;
+				// 5.b. Set p.[[Value]] to empty.
+				M._values[i] = undefMarker;
+			}
+			this._size = 0;
+			if (!supportsGetters) {
+				this.size = this._size;
+			}
+			// 6. Return undefined.
+			return undefined;
+		}
+	);
+
+	// 23.1.3.2. Map.prototype.constructor
+	CreateMethodProperty(Map.prototype, 'constructor', Map);
+
+	// 23.1.3.3. Map.prototype.delete ( key )
+	CreateMethodProperty(Map.prototype, 'delete', function (key) {
+			// 1. Let M be the this value.
+			var M = this;
+			// 2. If Type(M) is not Object, throw a TypeError exception.
+			if (Type(M) !== 'object') {
+				throw new TypeError('Method Map.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
+			if (M._es6Map !== true) {
+				throw new TypeError('Method Map.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 4. Let entries be the List that is M.[[MapData]].
+			var entries = M._keys;
+			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
+			for (var i = 0; i < entries.length; i++) {
+				// a. If p.[[Key]] is not empty and SameValueZero(p.[[Key]], key) is true, then
+				if (M._keys[i] !== undefMarker && SameValueZero(M._keys[i], key)) {
+					// i. Set p.[[Key]] to empty.
+					this._keys[i] = undefMarker;
+					// ii. Set p.[[Value]] to empty.
+					this._values[i] = undefMarker;
+					this._size = --this._size;
+					if (!supportsGetters) {
+						this.size = this._size;
+					}
+					// iii. Return true.
+					return true;
+				}
+			}
+			// 6. Return false.
+			return false;
+		}
+	);
+
+	// 23.1.3.4. Map.prototype.entries ( )
+	CreateMethodProperty(Map.prototype, 'entries', function entries () {
+			// 1. Let M be the this value.
+			var M = this;
+			// 2. Return ? CreateMapIterator(M, "key+value").
+			return CreateMapIterator(M, 'key+value');
+		}
+	);
+
+	// 23.1.3.5. Map.prototype.forEach ( callbackfn [ , thisArg ] )
+	CreateMethodProperty(Map.prototype, 'forEach', function (callbackFn) {
+			// 1. Let M be the this value.
+			var M = this;
+			// 2. If Type(M) is not Object, throw a TypeError exception.
+			if (Type(M) !== 'object') {
+				throw new TypeError('Method Map.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
+			if (M._es6Map !== true) {
+				throw new TypeError('Method Map.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 4. If IsCallable(callbackfn) is false, throw a TypeError exception.
+			if (!IsCallable(callbackFn)) {
+				throw new TypeError(Object.prototype.toString.call(callbackFn) + ' is not a function.');
+			}
+			// 5. If thisArg is present, let T be thisArg; else let T be undefined.
+			if (arguments[1]) {
+				var T = arguments[1];
+			}
+			// 6. Let entries be the List that is M.[[MapData]].
+			var entries = M._keys;
+			// 7. For each Record {[[Key]], [[Value]]} e that is an element of entries, in original key insertion order, do
+			for (var i = 0; i < entries.length; i++) {
+				// a. If e.[[Key]] is not empty, then
+				if (M._keys[i] !== undefMarker && M._values[i] !== undefMarker ) {
+					// i. Perform ? Call(callbackfn, T, « e.[[Value]], e.[[Key]], M »).
+					callbackFn.call(T, M._values[i], M._keys[i], M);
+				}
+			}
+			// 8. Return undefined.
+			return undefined;
+		}
+	);
+
+	// 23.1.3.6. Map.prototype.get ( key )
+	CreateMethodProperty(Map.prototype, 'get', function get(key) {
+			// 1. Let M be the this value.
+			var M = this;
+			// 2. If Type(M) is not Object, throw a TypeError exception.
+			if (Type(M) !== 'object') {
+				throw new TypeError('Method Map.prototype.get called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
+			if (M._es6Map !== true) {
+				throw new TypeError('Method Map.prototype.get called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 4. Let entries be the List that is M.[[MapData]].
+			var entries = M._keys;
+			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
+			for (var i = 0; i < entries.length; i++) {
+				// a. If p.[[Key]] is not empty and SameValueZero(p.[[Key]], key) is true, return p.[[Value]].
+				if (M._keys[i] !== undefMarker && SameValueZero(M._keys[i], key)) {
+					return M._values[i];
+				}
+			}
+			// 6. Return undefined.
+			return undefined;
+		});
+
+	// 23.1.3.7. Map.prototype.has ( key )
+	CreateMethodProperty(Map.prototype, 'has', function has (key) {
+			// 1. Let M be the this value.
+			var M = this;
+			// 2. If Type(M) is not Object, throw a TypeError exception.
+			if (typeof M !== 'object') {
+				throw new TypeError('Method Map.prototype.has called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
+			if (M._es6Map !== true) {
+				throw new TypeError('Method Map.prototype.has called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 4. Let entries be the List that is M.[[MapData]].
+			var entries = M._keys;
+			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
+			for (var i = 0; i < entries.length; i++) {
+				// a. If p.[[Key]] is not empty and SameValueZero(p.[[Key]], key) is true, return true.
+				if (M._keys[i] !== undefMarker && SameValueZero(M._keys[i], key)) {
+					return true;
+				}
+			}
+			// 6. Return false.
+			return false;
+		});
+
+	// 23.1.3.8. Map.prototype.keys ( )
+	CreateMethodProperty(Map.prototype, 'keys', function keys () {
+			// 1. Let M be the this value.
+			var M = this;
+			// 2. Return ? CreateMapIterator(M, "key").
+			return CreateMapIterator(M, "key");
+		});
+
+	// 23.1.3.9. Map.prototype.set ( key, value )
+	CreateMethodProperty(Map.prototype, 'set', function set(key, value) {
+			// 1. Let M be the this value.
+			var M = this;
+			// 2. If Type(M) is not Object, throw a TypeError exception.
+			if (Type(M) !== 'object') {
+				throw new TypeError('Method Map.prototype.set called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
+			if (M._es6Map !== true) {
+				throw new TypeError('Method Map.prototype.set called on incompatible receiver ' + Object.prototype.toString.call(M));
+			}
+			// 4. Let entries be the List that is M.[[MapData]].
+			var entries = M._keys;
+			// 5. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
+			for (var i = 0; i < entries.length; i++) {
+				// a. If p.[[Key]] is not empty and SameValueZero(p.[[Key]], key) is true, then
+				if (M._keys[i] !== undefMarker && SameValueZero(M._keys[i], key)) {
+					// i. Set p.[[Value]] to value.
+					M._values[i] = value;
+					// Return M.
+					return M;
+				}
+			}
+			// 6. If key is -0, let key be +0.
+			if (key === -0) {
+				key = 0;
+			}
+			// 7. Let p be the Record {[[Key]]: key, [[Value]]: value}.
+			var p = {};
+			p['[[Key]]'] = key;
+			p['[[Value]]'] = value;
+			// 8. Append p as the last element of entries.
+			M._keys.push(p['[[Key]]']);
+			M._values.push(p['[[Value]]']);
+			++M._size;
+			if (!supportsGetters) {
+				M.size = M._size;
+			}
+			// 9. Return M.
+			return M;
+		});
+
+	// 23.1.3.10. get Map.prototype.size
+	if (supportsGetters) {
+		Object.defineProperty(Map.prototype, 'size', {
+			configurable: true,
+			enumerable: false,
+			get: function () {
+				// 1. Let M be the this value.
+				var M = this;
+				// 2. If Type(M) is not Object, throw a TypeError exception.
+				if (Type(M) !== 'object') {
+					throw new TypeError('Method Map.prototype.size called on incompatible receiver ' + Object.prototype.toString.call(M));
+				}
+				// 3. If M does not have a [[MapData]] internal slot, throw a TypeError exception.
+				if (M._es6Map !== true) {
+					throw new TypeError('Method Map.prototype.size called on incompatible receiver ' + Object.prototype.toString.call(M));
+				}
+				// 4. Let entries be the List that is M.[[MapData]].
+				var entries = M._keys;
+				// 5. Let count be 0.
+				var count = 0;
+				// 6. For each Record {[[Key]], [[Value]]} p that is an element of entries, do
+				for (var i = 0; i < entries.length; i++) {
+					// a. If p.[[Key]] is not empty, set count to count+1.
+					if (M._keys[i] !== undefMarker) {
+						count = count + 1;
+					}
+				}
+				// 7. Return count.
+				return count;
+			},
+			set: undefined
+		});
+	}
+
+	// 23.1.3.11. Map.prototype.values ( )
+	CreateMethodProperty(Map.prototype, 'values', function values () {
+			// 1. Let M be the this value.
+			var M = this;
+			// 2. Return ? CreateMapIterator(M, "value").
+			return CreateMapIterator(M, 'value');
+		}
+	);
+
+	// 23.1.3.12. Map.prototype [ @@iterator ] ( )
+	// The initial value of the @@iterator property is the same function object as the initial value of the entries property.
+	CreateMethodProperty(Map.prototype, Symbol.iterator, Map.prototype.entries);
+
+	// 23.1.3.13. Map.prototype [ @@toStringTag ]
+	// The initial value of the @@toStringTag property is the String value "Map".
+	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
+
+	// Polyfill.io - Safari 8 implements Map.name but as a non-configurable property, which means it would throw an error if we try and configure it here.
+	if (!('name' in Map)) {
+		// 19.2.4.2 name
+		Object.defineProperty(Map, 'name', {
+			configurable: true,
+			enumerable: false,
+			writable: false,
+			value: 'Map'
+		});
+	}
+
+	// 23.1.5.1. CreateMapIterator ( map, kind )
+	function CreateMapIterator(map, kind) {
+		// 1. If Type(map) is not Object, throw a TypeError exception.
+		if (Type(map) !== 'object') {
+			throw new TypeError('createMapIterator called on incompatible receiver ' + Object.prototype.toString.call(map));
+		}
+		// 2. If map does not have a [[MapData]] internal slot, throw a TypeError exception.
+		if (map._es6Map !== true) {
+			throw new TypeError('createMapIterator called on incompatible receiver ' + Object.prototype.toString.call(map));
+		}
+		// 3. Let iterator be ObjectCreate(%MapIteratorPrototype%, « [[Map]], [[MapNextIndex]], [[MapIterationKind]] »).
+		var iterator = Object.create(MapIteratorPrototype);
+		// 4. Set iterator.[[Map]] to map.
+		Object.defineProperty(iterator, '[[Map]]', {
+			configurable: true,
+			enumerable: false,
+			writable: true,
+			value: map
+		});
+		// 5. Set iterator.[[MapNextIndex]] to 0.
+		Object.defineProperty(iterator, '[[MapNextIndex]]', {
+			configurable: true,
+			enumerable: false,
+			writable: true,
+			value: 0
+		});
+		// 6. Set iterator.[[MapIterationKind]] to kind.
+		Object.defineProperty(iterator, '[[MapIterationKind]]', {
+			configurable: true,
+			enumerable: false,
+			writable: true,
+			value: kind
+		});
+		// 7. Return iterator.
+		return iterator;
+	}
+
+	// 23.1.5.2. The %MapIteratorPrototype% Object
+	var MapIteratorPrototype = {};
+	// Polyfill.io - We use this as a quick way to check if an object is a Map Iterator instance.
+	Object.defineProperty(MapIteratorPrototype, 'isMapIterator', {
+		configurable: false,
+		enumerable: false,
+		writable: false,
+		value: true
+	});
+
+	// 23.1.5.2.1. %MapIteratorPrototype%.next ( )
+	CreateMethodProperty(MapIteratorPrototype, 'next', function next() {
+			// 1. Let O be the this value.
+			var O = this;
+			// 2. If Type(O) is not Object, throw a TypeError exception.
+			if (Type(O) !== 'object') {
+				throw new TypeError('Method %MapIteratorPrototype%.next called on incompatible receiver ' + Object.prototype.toString.call(O));
+			}
+			// 3. If O does not have all of the internal slots of a Map Iterator Instance (23.1.5.3), throw a TypeError exception.
+			if (!O.isMapIterator) {
+				throw new TypeError('Method %MapIteratorPrototype%.next called on incompatible receiver ' + Object.prototype.toString.call(O));
+			}
+			// 4. Let m be O.[[Map]].
+			var m = O['[[Map]]'];
+			// 5. Let index be O.[[MapNextIndex]].
+			var index = O['[[MapNextIndex]]'];
+			// 6. Let itemKind be O.[[MapIterationKind]].
+			var itemKind = O['[[MapIterationKind]]'];
+			// 7. If m is undefined, return CreateIterResultObject(undefined, true).
+			if (m === undefined) {
+				return CreateIterResultObject(undefined, true);
+			}
+			// 8. Assert: m has a [[MapData]] internal slot.
+			if (!m._es6Map) {
+				throw new Error(Object.prototype.toString.call(m) + ' has a [[MapData]] internal slot.');
+			}
+			// 9. Let entries be the List that is m.[[MapData]].
+			var entries = m._keys;
+			// 10. Let numEntries be the number of elements of entries.
+			var numEntries = entries.length;
+			// 11. NOTE: numEntries must be redetermined each time this method is evaluated.
+			// 12. Repeat, while index is less than numEntries,
+			while (index < numEntries) {
+				// a. Let e be the Record {[[Key]], [[Value]]} that is the value of entries[index].
+				var e = Object.create(null);
+				e['[[Key]]'] = m._keys[index];
+				e['[[Value]]'] = m._values[index];
+				// b. Set index to index+1.
+				index = index + 1;
+				// c. Set O.[[MapNextIndex]] to index.
+				O['[[MapNextIndex]]'] = index;
+				// d. If e.[[Key]] is not empty, then
+				if (e['[[Key]]'] !== undefMarker) {
+					// i. If itemKind is "key", let result be e.[[Key]].
+					if (itemKind === 'key') {
+						var result = e['[[Key]]'];
+						// ii. Else if itemKind is "value", let result be e.[[Value]].
+					} else if (itemKind === 'value') {
+						result = e['[[Value]]'];
+						// iii. Else,
+					} else {
+						// 1. Assert: itemKind is "key+value".
+						if (itemKind !== 'key+value') {
+							throw new Error();
+						}
+						// 2. Let result be CreateArrayFromList(« e.[[Key]], e.[[Value]] »).
+						result = [
+							e['[[Key]]'],
+							e['[[Value]]']
+						];
+					}
+					// iv. Return CreateIterResultObject(result, false).
+					return CreateIterResultObject(result, false);
+				}
+			}
+			// 13. Set O.[[Map]] to undefined.
+			O['[[Map]]'] = undefined;
+			// 14. Return CreateIterResultObject(undefined, true).
+			return CreateIterResultObject(undefined, true);
+		}
+	);
+
+	// 23.1.5.2.2 %MapIteratorPrototype% [ @@toStringTag ]
+	// The initial value of the @@toStringTag property is the String value "Map Iterator".
+	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
+
+	CreateMethodProperty(MapIteratorPrototype, Symbol.iterator, function iterator() {
+			return this;
+		}
+	);
+
+	// Export the object
+	try {
+		CreateMethodProperty(global, 'Map', Map);
+	} catch (e) {
+		// IE8 throws an error here if we set enumerable to false.
+		// More info on table 2: https://msdn.microsoft.com/en-us/library/dd229916(v=vs.85).aspx
+		global['Map'] = Map;
+	}
+}(this));
+
+}
+
+if (!("Set"in this&&function(){try{var t=new Set([1,2])
+return 0===Set.length&&2===t.size&&"Symbol"in this&&"iterator"in Symbol&&"function"==typeof t[Symbol.iterator]}catch(e){return!1}}()
+)) {
+
+// Set
+/* global CreateIterResultObject, CreateMethodProperty, GetIterator, IsCallable, IteratorClose, IteratorStep, IteratorValue, OrdinaryCreateFromConstructor, SameValueZero, Symbol */
+(function (global) {
+	var supportsGetters = (function () {
+		try {
+			var a = {};
+			Object.defineProperty(a, 't', {
+				configurable: true,
+				enumerable: false,
+				get: function () {
+					return true;
+				},
+				set: undefined
+			});
+			return !!a.t;
+		} catch (e) {
+			return false;
+		}
+	}());
+
+	// Deleted set items mess with iterator pointers, so rather than removing them mark them as deleted. Can't use undefined or null since those both valid keys so use a private symbol.
+	var undefMarker = Symbol('undef');
+	// 23.2.1.1. Set ( [ iterable ] )
+	var Set = function Set(/* iterable */) {
+		// 1. If NewTarget is undefined, throw a TypeError exception.
+		if (!(this instanceof Set)) {
+			throw new TypeError('Constructor Set requires "new"');
+		}
+		// 2. Let set be ? OrdinaryCreateFromConstructor(NewTarget, "%SetPrototype%", « [[SetData]] »).
+		var set = OrdinaryCreateFromConstructor(this, Set.prototype, {
+			_values: [],
+			_size: 0,
+			_es6Set: true
+		});
+
+		// 3. Set set.[[SetData]] to a new empty List.
+		// Polyfill.io - This step was done as part of step two.
+
+		// Some old engines do not support ES5 getters/setters.  Since Set only requires these for the size property, we can fall back to setting the size property statically each time the size of the set changes.
+		if (!supportsGetters) {
+			Object.defineProperty(set, 'size', {
+				configurable: true,
+				enumerable: false,
+				writable: true,
+				value: 0
+			});
+		}
+
+		// 4. If iterable is not present, let iterable be undefined.
+		var iterable = arguments.length > 0 ? arguments[0] : undefined;
+
+		// 5. If iterable is either undefined or null, return set.
+		if (iterable === null || iterable === undefined) {
+			return set;
+		}
+
+		// 6. Let adder be ? Get(set, "add").
+		var adder = set.add;
+		// 7. If IsCallable(adder) is false, throw a TypeError exception.
+		if (!IsCallable(adder)) {
+			throw new TypeError("Set.prototype.add is not a function");
+		}
+
+		try {
+			// 8. Let iteratorRecord be ? GetIterator(iterable).
+			var iteratorRecord = GetIterator(iterable);
+			// 9. Repeat,
+			while (true) {
+				// a. Let next be ? IteratorStep(iteratorRecord).
+				var next = IteratorStep(iteratorRecord);
+				// b. If next is false, return set.
+				if (next === false) {
+					return set;
+				}
+				// c. Let nextValue be ? IteratorValue(next).
+				var nextValue = IteratorValue(next);
+				// d. Let status be Call(adder, set, « nextValue.[[Value]] »).
+				try {
+					adder.call(set, nextValue);
+				} catch (e) {
+					// e. If status is an abrupt completion, return ? IteratorClose(iteratorRecord, status).
+					return IteratorClose(iteratorRecord, e);
+				}
+			}
+		} catch (e) {
+			// Polyfill.io - For user agents which do not have iteration methods on argument objects or arrays, we can special case those.
+			if (Array.isArray(iterable) ||
+				Object.prototype.toString.call(iterable) === '[object Arguments]' ||
+				// IE 7 & IE 8 return '[object Object]' for the arguments object, we can detect by checking for the existence of the callee property
+				(!!iterable.callee)) {
+				var index;
+				var length = iterable.length;
+				for (index = 0; index < length; index++) {
+					adder.call(set, iterable[index]);
+				}
+			} else {
+				throw (e);
+			}
+		}
+		return set;
+	};
+
+	// 23.2.2.1. Set.prototype
+	// The initial value of Set.prototype is the intrinsic %SetPrototype% object.
+	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
+	Object.defineProperty(Set, 'prototype', {
+		configurable: false,
+		enumerable: false,
+		writable: false,
+		value: {}
+	});
+
+	// 23.2.2.2 get Set [ @@species ]
+	if (supportsGetters) {
+		Object.defineProperty(Set, Symbol.species, {
+			configurable: true,
+			enumerable: false,
+			get: function () {
+				// 1. Return the this value.
+				return this;
+			},
+			set: undefined
+		});
+	} else {
+		CreateMethodProperty(Set, Symbol.species, Set);
+	}
+
+	// 23.2.3.1. Set.prototype.add ( value )
+	CreateMethodProperty(Set.prototype, 'add', function add(value) {
+			// 1. Let S be the this value.
+			var S = this;
+			// 2. If Type(S) is not Object, throw a TypeError exception.
+			if (typeof S !== 'object') {
+				throw new TypeError('Method Set.prototype.add called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+			if (S._es6Set !== true) {
+				throw new TypeError('Method Set.prototype.add called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 4. Let entries be the List that is S.[[SetData]].
+			var entries = S._values;
+			// 5. For each e that is an element of entries, do
+			for (var i = 0; i < entries.length; i++) {
+				var e = entries[i];
+				// a. If e is not empty and SameValueZero(e, value) is true, then
+				if (e !== undefMarker && SameValueZero(e, value)) {
+					// i. Return S.
+					return S;
+				}
+			}
+			// 6. If value is -0, let value be +0.
+			if (1/value === -Infinity) {
+				value = 0;
+			}
+			// 7. Append value as the last element of entries.
+			S._values.push(value);
+
+			this._size = ++this._size;
+			if (!supportsGetters) {
+				this.size = this._size;
+			}
+			// 8. Return S.
+			return S;
+		});
+
+	// 23.2.3.2. Set.prototype.clear ( )
+	CreateMethodProperty(Set.prototype, 'clear', function clear() {
+			// 1. Let S be the this value.
+			var S = this;
+			// 2. If Type(S) is not Object, throw a TypeError exception.
+			if (typeof S !== 'object') {
+				throw new TypeError('Method Set.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+			if (S._es6Set !== true) {
+				throw new TypeError('Method Set.prototype.clear called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 4. Let entries be the List that is S.[[SetData]].
+			var entries = S._values;
+			// 5. For each e that is an element of entries, do
+			for (var i = 0; i < entries.length; i++) {
+				// a. Replace the element of entries whose value is e with an element whose value is empty.
+				entries[i] = undefMarker;
+			}
+			this._size = 0;
+			if (!supportsGetters) {
+				this.size = this._size;
+			}
+			// 6. Return undefined.
+			return undefined;
+		});
+
+	// 23.2.3.3. Set.prototype.constructor
+	CreateMethodProperty(Set.prototype, 'constructor', Set);
+
+	// 23.2.3.4. Set.prototype.delete ( value )
+	CreateMethodProperty(Set.prototype, 'delete', function (value) {
+			// 1. Let S be the this value.
+			var S = this;
+			// 2. If Type(S) is not Object, throw a TypeError exception.
+			if (typeof S !== 'object') {
+				throw new TypeError('Method Set.prototype.delete called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+			if (S._es6Set !== true) {
+				throw new TypeError('Method Set.prototype.delete called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 4. Let entries be the List that is S.[[SetData]].
+			var entries = S._values;
+			// 5. For each e that is an element of entries, do
+			for (var i = 0; i < entries.length; i++) {
+				var e = entries[i];
+				// a. If e is not empty and SameValueZero(e, value) is true, then
+				if (e !== undefMarker && SameValueZero(e, value)) {
+					// i. Replace the element of entries whose value is e with an element whose value is empty.
+					entries[i] = undefMarker;
+
+					this._size = --this._size;
+					if (!supportsGetters) {
+						this.size = this._size;
+					}
+					// ii. Return true.
+					return true;
+				}
+			}
+			// 6. Return false.
+			return false;
+		}
+	);
+
+	// 23.2.3.5. Set.prototype.entries ( )
+	CreateMethodProperty(Set.prototype, 'entries', function entries() {
+			// 1. Let S be the this value.
+			var S = this;
+			// 2. Return ? CreateSetIterator(S, "key+value").
+			return CreateSetIterator(S, 'key+value');
+		}
+	);
+
+	// 23.2.3.6. Set.prototype.forEach ( callbackfn [ , thisArg ] )
+	CreateMethodProperty(Set.prototype, 'forEach', function forEach(callbackFn /*[ , thisArg ]*/) {
+			// 1. Let S be the this value.
+			var S = this;
+			// 2. If Type(S) is not Object, throw a TypeError exception.
+			if (typeof S !== 'object') {
+				throw new TypeError('Method Set.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+			if (S._es6Set !== true) {
+				throw new TypeError('Method Set.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 4. If IsCallable(callbackfn) is false, throw a TypeError exception.
+			if (!IsCallable(callbackFn)) {
+				throw new TypeError(Object.prototype.toString.call(callbackFn) + ' is not a function.');
+			}
+			// 5. If thisArg is present, let T be thisArg; else let T be undefined.
+			if (arguments[1]) {
+				var T = arguments[1];
+			}
+			// 6. Let entries be the List that is S.[[SetData]].
+			var entries = S._values;
+			// 7. For each e that is an element of entries, in original insertion order, do
+			for (var i = 0; i < entries.length; i++) {
+				var e = entries[i];
+				// a. If e is not empty, then
+				if (e !== undefMarker) {
+					// i. Perform ? Call(callbackfn, T, « e, e, S »).
+					callbackFn.call(T, e, e, S);
+				}
+			}
+			// 8. Return undefined.
+			return undefined;
+		}
+	);
+
+	// 23.2.3.7. Set.prototype.has ( value )
+	CreateMethodProperty(Set.prototype, 'has', function has(value) {
+			// 1. Let S be the this value.
+			var S = this;
+			// 2. If Type(S) is not Object, throw a TypeError exception.
+			if (typeof S !== 'object') {
+				throw new TypeError('Method Set.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+			if (S._es6Set !== true) {
+				throw new TypeError('Method Set.prototype.forEach called on incompatible receiver ' + Object.prototype.toString.call(S));
+			}
+			// 4. Let entries be the List that is S.[[SetData]].
+			var entries = S._values;
+			// 5. For each e that is an element of entries, do
+			for (var i = 0; i < entries.length; i++) {
+				var e = entries[i];
+				// a. If e is not empty and SameValueZero(e, value) is true, return true.
+				if (e !== undefMarker && SameValueZero(e, value)) {
+					return true;
+				}
+			}
+			// 6. Return false.
+			return false;
+		}
+	);
+
+	// Polyfill.io - We need to define Set.prototype.values before Set.prototype.keys because keys is a reference to values.
+	// 23.2.3.10. Set.prototype.values()
+	var values = function values() {
+		// 1. Let S be the this value.
+		var S = this;
+		// 2. Return ? CreateSetIterator(S, "value").
+		return CreateSetIterator(S, "value");
+	};
+	CreateMethodProperty(Set.prototype, 'values', values);
+
+	// 23.2.3.8 Set.prototype.keys ( )
+	// The initial value of the keys property is the same function object as the initial value of the values property.
+	CreateMethodProperty(Set.prototype, 'keys', values);
+
+	// 23.2.3.9. get Set.prototype.size
+	if (supportsGetters) {
+		Object.defineProperty(Set.prototype, 'size', {
+			configurable: true,
+			enumerable: false,
+			get: function () {
+				// 1. Let S be the this value.
+				var S = this;
+				// 2. If Type(S) is not Object, throw a TypeError exception.
+				if (typeof S !== 'object') {
+					throw new TypeError('Method Set.prototype.size called on incompatible receiver ' + Object.prototype.toString.call(S));
+				}
+				// 3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+				if (S._es6Set !== true) {
+					throw new TypeError('Method Set.prototype.size called on incompatible receiver ' + Object.prototype.toString.call(S));
+				}
+				// 4. Let entries be the List that is S.[[SetData]].
+				var entries = S._values;
+				// 5. Let count be 0.
+				var count = 0;
+				// 6. For each e that is an element of entries, do
+				for (var i = 0; i < entries.length; i++) {
+					var e = entries[i];
+					// a. If e is not empty, set count to count+1.
+					if (e !== undefMarker) {
+						count = count + 1;
+					}
+				}
+				// 7. Return count.
+				return count;
+			},
+			set: undefined
+		});
+	}
+
+	// 23.2.3.11. Set.prototype [ @@iterator ] ( )
+	// The initial value of the @@iterator property is the same function object as the initial value of the values property.
+	CreateMethodProperty(Set.prototype, Symbol.iterator, values);
+
+	// 23.2.3.12. Set.prototype [ @@toStringTag ]
+	// The initial value of the @@toStringTag property is the String value "Set".
+	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
+
+	// Polyfill.io - Safari 8 implements Set.name but as a non-configurable property, which means it would throw an error if we try and configure it here.
+	if (!('name' in Set)) {
+		// 19.2.4.2 name
+		Object.defineProperty(Set, 'name', {
+			configurable: true,
+			enumerable: false,
+			writable: false,
+			value: 'Set'
+		});
+	}
+
+	// 23.2.5.1. CreateSetIterator ( set, kind )
+	function CreateSetIterator(set, kind) {
+		// 1. If Type(set) is not Object, throw a TypeError exception.
+		if (typeof set !== 'object') {
+			throw new TypeError('createSetIterator called on incompatible receiver ' + Object.prototype.toString.call(set));
+		}
+		// 2. If set does not have a [[SetData]] internal slot, throw a TypeError exception.
+		if (set._es6Set !== true) {
+			throw new TypeError('createSetIterator called on incompatible receiver ' + Object.prototype.toString.call(set));
+		}
+		// 3. Let iterator be ObjectCreate(%SetIteratorPrototype%, « [[IteratedSet]], [[SetNextIndex]], [[SetIterationKind]] »).
+		var iterator = Object.create(SetIteratorPrototype);
+		// 4. Set iterator.[[IteratedSet]] to set.
+		Object.defineProperty(iterator, '[[IteratedSet]]', {
+			configurable: true,
+			enumerable: false,
+			writable: true,
+			value: set
+		});
+		// 5. Set iterator.[[SetNextIndex]] to 0.
+		Object.defineProperty(iterator, '[[SetNextIndex]]', {
+			configurable: true,
+			enumerable: false,
+			writable: true,
+			value: 0
+		});
+		// 6. Set iterator.[[SetIterationKind]] to kind.
+		Object.defineProperty(iterator, '[[SetIterationKind]]', {
+			configurable: true,
+			enumerable: false,
+			writable: true,
+			value: kind
+		});
+		// 7. Return iterator.
+		return iterator;
+	}
+
+	// 23.2.5.2. The %SetIteratorPrototype% Object
+	var SetIteratorPrototype = {};
+	//Polyfill.io - We add this property to help us identify what is a set iterator.
+	Object.defineProperty(SetIteratorPrototype, 'isSetIterator', {
+		configurable: false,
+		enumerable: false,
+		writable: false,
+		value: true
+	});
+
+	// 23.2.5.2.1. %SetIteratorPrototype%.next ( )
+	CreateMethodProperty(SetIteratorPrototype, 'next', function next() {
+		// 1. Let O be the this value.
+		var O = this;
+		// 2. If Type(O) is not Object, throw a TypeError exception.
+		if (typeof O !== 'object') {
+			throw new TypeError('Method %SetIteratorPrototype%.next called on incompatible receiver ' + Object.prototype.toString.call(O));
+		}
+		// 3. If O does not have all of the internal slots of a Set Iterator Instance (23.2.5.3), throw a TypeError exception.
+		if (!O.isSetIterator) {
+			throw new TypeError('Method %SetIteratorPrototype%.next called on incompatible receiver ' + Object.prototype.toString.call(O));
+		}
+		// 4. Let s be O.[[IteratedSet]].
+		var s = O['[[IteratedSet]]'];
+		// 5. Let index be O.[[SetNextIndex]].
+		var index = O['[[SetNextIndex]]'];
+		// 6. Let itemKind be O.[[SetIterationKind]].
+		var itemKind = O['[[SetIterationKind]]'];
+		// 7. If s is undefined, return CreateIterResultObject(undefined, true).
+		if (s === undefined) {
+			return CreateIterResultObject(undefined, true);
+		}
+		// 8. Assert: s has a [[SetData]] internal slot.
+		if (!s._es6Set) {
+			throw new Error(Object.prototype.toString.call(s) + ' does not have [[SetData]] internal slot.');
+		}
+		// 9. Let entries be the List that is s.[[SetData]].
+		var entries = s._values;
+		// 10. Let numEntries be the number of elements of entries.
+		var numEntries = entries.length;
+		// 11. NOTE: numEntries must be redetermined each time this method is evaluated.
+		// 12. Repeat, while index is less than numEntries,
+		while (index < numEntries) {
+			// a. Let e be entries[index].
+			var e = entries[index];
+			// b. Set index to index+1.
+			index = index + 1;
+			// c. Set O.[[SetNextIndex]] to index.
+			O['[[SetNextIndex]]'] = index;
+			// d. If e is not empty, then
+			if (e !== undefMarker) {
+				// i. If itemKind is "key+value", then
+				if (itemKind === 'key+value') {
+					// 1. Return CreateIterResultObject(CreateArrayFromList(« e, e »), false).
+					return CreateIterResultObject([e, e], false);
+				}
+				// ii. Return CreateIterResultObject(e, false).
+				return CreateIterResultObject(e, false);
+			}
+		}
+		// 13. Set O.[[IteratedSet]] to undefined.
+		O['[[IteratedSet]]'] = undefined;
+		// 14. Return CreateIterResultObject(undefined, true).
+		return CreateIterResultObject(undefined, true);
+	});
+
+	// 23.2.5.2.2. %SetIteratorPrototype% [ @@toStringTag ]
+	// The initial value of the @@toStringTag property is the String value "Set Iterator".
+	// This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
+
+	CreateMethodProperty(SetIteratorPrototype, Symbol.iterator, function iterator() {
+			return this;
+		}
+	);
+
+	// Export the object
+	try {
+		CreateMethodProperty(global, 'Set', Set);
+	} catch (e) {
+		// IE8 throws an error here if we set enumerable to false.
+		// More info on table 2: https://msdn.microsoft.com/en-us/library/dd229916(v=vs.85).aspx
+		global['Set'] = Set;
+	}
+
+}(this));
+
+}
+
+if (!("from"in Array&&function(){try{return Array.from({length:-Infinity}),!0}catch(r){return!1}}()
+)) {
+
+// Array.from
+/* globals
+	IsCallable, GetMethod, Symbol, IsConstructor, Construct, ArrayCreate, GetIterator, IteratorClose,
+	ToString, IteratorStep, IteratorValue, Call, CreateDataPropertyOrThrow, ToObject, ToLength, Get, CreateMethodProperty
+*/
+(function () {
+	var toString = Object.prototype.toString;
+	var stringMatch = String.prototype.match;
+	// A cross-realm friendly way to detect if a value is a String object or literal.
+	function isString(value) {
+		if (typeof value === 'string') { return true; }
+		if (typeof value !== 'object') { return false; }
+		return toString.call(value) === '[object String]';
+	}
+
+	// 22.1.2.1. Array.from ( items [ , mapfn [ , thisArg ] ] )
+	CreateMethodProperty(Array, 'from', function from(items /* [ , mapfn [ , thisArg ] ] */) { // eslint-disable-line no-undef
+		// 1. Let C be the this value.
+		var C = this;
+		// 2. If mapfn is undefined, let mapping be false.
+		var mapfn = arguments.length > 1 ? arguments[1] : undefined;
+		if (mapfn === undefined) {
+			var mapping = false;
+			// 3. Else,
+		} else {
+			// a. If IsCallable(mapfn) is false, throw a TypeError exception.
+			if (IsCallable(mapfn) === false) {
+				throw new TypeError(Object.prototype.toString.call(mapfn) + ' is not a function.');
+			}
+			// b. If thisArg is present, let T be thisArg; else let T be undefined.
+			var thisArg = arguments.length > 2 ? arguments[2] : undefined;
+			if (thisArg !== undefined) {
+				var T = thisArg;
+			} else {
+				T = undefined;
+			}
+			// c. Let mapping be true.
+			mapping = true;
+
+		}
+		// 4. Let usingIterator be ? GetMethod(items, @@iterator).
+		var usingIterator = GetMethod(items, Symbol.iterator);
+		// 5. If usingIterator is not undefined, then
+		if (usingIterator !== undefined) {
+			// a. If IsConstructor(C) is true, then
+			if (IsConstructor(C)) {
+				// i. Let A be ? Construct(C).
+				var A = Construct(C);
+				// b. Else,
+			} else {
+				// i. Let A be ! ArrayCreate(0).
+				A = ArrayCreate(0);
+			}
+			// c. Let iteratorRecord be ? GetIterator(items, usingIterator).
+			var iteratorRecord = GetIterator(items, usingIterator);
+			// d. Let k be 0.
+			var k = 0;
+			// e. Repeat,
+			while (true) {
+				// i. If k ≥ 2^53-1, then
+				if (k >= (Math.pow(2, 53) - 1)) {
+					// 1. Let error be Completion{[[Type]]: throw, [[Value]]: a newly created TypeError object, [[Target]]: empty}.
+					var error = new TypeError('Iteration count can not be greater than or equal 9007199254740991.');
+					// 2. Return ? IteratorClose(iteratorRecord, error).
+					return IteratorClose(iteratorRecord, error);
+				}
+				// ii. Let Pk be ! ToString(k).
+				var Pk = ToString(k);
+				// iii. Let next be ? IteratorStep(iteratorRecord).
+				var next = IteratorStep(iteratorRecord);
+				// iv. If next is false, then
+				if (next === false) {
+					// 1. Perform ? Set(A, "length", k, true).
+					A["length"] = k;
+					// 2. Return A.
+					return A;
+				}
+				// v. Let nextValue be ? IteratorValue(next).
+				var nextValue = IteratorValue(next);
+				// vi. If mapping is true, then
+				if (mapping) {
+					try {
+						// Polyfill.io - The try catch accounts for step 2.
+						// 1. Let mappedValue be Call(mapfn, T, « nextValue, k »).
+						var mappedValue = Call(mapfn, T, [nextValue, k]);
+						// 2. If mappedValue is an abrupt completion, return ? IteratorClose(iteratorRecord, mappedValue).
+						// 3. Let mappedValue be mappedValue.[[Value]].
+					} catch (e) {
+						return IteratorClose(iteratorRecord, e);
+					}
+
+					// vii. Else, let mappedValue be nextValue.
+				} else {
+					mappedValue = nextValue;
+				}
+				try {
+					// Polyfill.io - The try catch accounts for step ix.
+					// viii. Let defineStatus be CreateDataPropertyOrThrow(A, Pk, mappedValue).
+					CreateDataPropertyOrThrow(A, Pk, mappedValue);
+					// ix. If defineStatus is an abrupt completion, return ? IteratorClose(iteratorRecord, defineStatus).
+				} catch (e) {
+					return IteratorClose(iteratorRecord, e);
+				}
+				// x. Increase k by 1.
+				k = k + 1;
+			}
+		}
+		// 6. NOTE: items is not an Iterable so assume it is an array-like object.
+		// 7. Let arrayLike be ! ToObject(items).
+		// Polyfill.io - For Strings we need to split astral symbols into surrogate pairs.
+		if (isString(items)) {
+			var arrayLike = stringMatch.call(items, /[\uD800-\uDBFF][\uDC00-\uDFFF]?|[^\uD800-\uDFFF]|./g) || [];
+		} else {
+			arrayLike = ToObject(items);
+		}
+		// 8. Let len be ? ToLength(? Get(arrayLike, "length")).
+		var len = ToLength(Get(arrayLike, "length"));
+		// 9. If IsConstructor(C) is true, then
+		if (IsConstructor(C)) {
+			// a. Let A be ? Construct(C, « len »).
+			A = Construct(C, [len]);
+			// 10. Else,
+		} else {
+			// a. Let A be ? ArrayCreate(len).
+			A = ArrayCreate(len);
+		}
+		// 11. Let k be 0.
+		k = 0;
+		// 12. Repeat, while k < len
+		while (k < len) {
+			// a. Let Pk be ! ToString(k).
+			Pk = ToString(k);
+			// b. Let kValue be ? Get(arrayLike, Pk).
+			var kValue = Get(arrayLike, Pk);
+			// c. If mapping is true, then
+			if (mapping === true) {
+				// i. Let mappedValue be ? Call(mapfn, T, « kValue, k »).
+				mappedValue = Call(mapfn, T, [kValue, k]);
+				// d. Else, let mappedValue be kValue.
+			} else {
+				mappedValue = kValue;
+			}
+			// e. Perform ? CreateDataPropertyOrThrow(A, Pk, mappedValue).
+			CreateDataPropertyOrThrow(A, Pk, mappedValue);
+			// f. Increase k by 1.
+			k = k + 1;
+		}
+		// 13. Perform ? Set(A, "length", len, true).
+		A["length"] = len;
+		// 14. Return A.
+		return A;
+	});
+}());
+
+}
+
+if (!("Symbol"in this&&"split"in this.Symbol
+)) {
+
+// Symbol.split
+/* global Symbol */
+Object.defineProperty(Symbol, 'split', { value: Symbol('split') });
+
+}
+
+if (!("Symbol"in this&&"toPrimitive"in this.Symbol
+)) {
+
+// Symbol.toPrimitive
+/* global Symbol */
+Object.defineProperty(Symbol, 'toPrimitive', { value: Symbol('toPrimitive') });
+
+}
+
+if (!("Symbol"in this&&"toStringTag"in this.Symbol
+)) {
+
+// Symbol.toStringTag
+/* global Symbol */
+Object.defineProperty(Symbol, 'toStringTag', {
+	value: Symbol('toStringTag')
+});
+
+}
+
+
+// _Iterator
+/* global Symbol */
+// A modification of https://github.com/medikoo/es6-iterator
+// Copyright (C) 2013-2015 Mariusz Nowak (www.medikoo.com)
+
+var Iterator = (function () { // eslint-disable-line no-unused-vars
+	var clear = function () {
+		this.length = 0;
+		return this;
+	};
+	var callable = function (fn) {
+		if (typeof fn !== 'function') throw new TypeError(fn + " is not a function");
+		return fn;
+	};
+
+	var Iterator = function (list, context) {
+		if (!(this instanceof Iterator)) {
+			return new Iterator(list, context);
+		}
+		Object.defineProperties(this, {
+			__list__: {
+				writable: true,
+				value: list
+			},
+			__context__: {
+				writable: true,
+				value: context
+			},
+			__nextIndex__: {
+				writable: true,
+				value: 0
+			}
+		});
+		if (!context) return;
+		callable(context.on);
+		context.on('_add', this._onAdd.bind(this));
+		context.on('_delete', this._onDelete.bind(this));
+		context.on('_clear', this._onClear.bind(this));
+	};
+
+	Object.defineProperties(Iterator.prototype, Object.assign({
+		constructor: {
+			value: Iterator,
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		_next: {
+			value: function () {
+				var i;
+				if (!this.__list__) return;
+				if (this.__redo__) {
+					i = this.__redo__.shift();
+					if (i !== undefined) return i;
+				}
+				if (this.__nextIndex__ < this.__list__.length) return this.__nextIndex__++;
+				this._unBind();
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		next: {
+			value: function () {
+				return this._createResult(this._next());
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		_createResult: {
+			value: function (i) {
+				if (i === undefined) return {
+					done: true,
+					value: undefined
+				};
+				return {
+					done: false,
+					value: this._resolve(i)
+				};
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		_resolve: {
+			value: function (i) {
+				return this.__list__[i];
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		_unBind: {
+			value: function () {
+				this.__list__ = null;
+				delete this.__redo__;
+				if (!this.__context__) return;
+				this.__context__.off('_add', this._onAdd.bind(this));
+				this.__context__.off('_delete', this._onDelete.bind(this));
+				this.__context__.off('_clear', this._onClear.bind(this));
+				this.__context__ = null;
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		toString: {
+			value: function () {
+				return '[object Iterator]';
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		}
+	}, {
+		_onAdd: {
+			value: function (index) {
+				if (index >= this.__nextIndex__) return;
+				++this.__nextIndex__;
+				if (!this.__redo__) {
+					Object.defineProperty(this, '__redo__', {
+						value: [index],
+						configurable: true,
+						enumerable: false,
+						writable: false
+					});
+					return;
+				}
+				this.__redo__.forEach(function (redo, i) {
+					if (redo >= index) this.__redo__[i] = ++redo;
+				}, this);
+				this.__redo__.push(index);
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		_onDelete: {
+			value: function (index) {
+				var i;
+				if (index >= this.__nextIndex__) return;
+				--this.__nextIndex__;
+				if (!this.__redo__) return;
+				i = this.__redo__.indexOf(index);
+				if (i !== -1) this.__redo__.splice(i, 1);
+				this.__redo__.forEach(function (redo, i) {
+					if (redo > index) this.__redo__[i] = --redo;
+				}, this);
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		_onClear: {
+			value: function () {
+				if (this.__redo__) clear.call(this.__redo__);
+				this.__nextIndex__ = 0;
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		}
+	}));
+
+	Object.defineProperty(Iterator.prototype, Symbol.iterator, {
+		value: function () {
+			return this;
+		},
+		configurable: true,
+		enumerable: false,
+		writable: true
+	});
+	Object.defineProperty(Iterator.prototype, Symbol.toStringTag, {
+		value: 'Iterator',
+		configurable: false,
+		enumerable: false,
+		writable: true
+	});
+
+	return Iterator;
+}());
+
+// _ArrayIterator
+/* global Iterator */
+// A modification of https://github.com/medikoo/es6-iterator
+// Copyright (C) 2013-2015 Mariusz Nowak (www.medikoo.com)
+
+var ArrayIterator = (function() { // eslint-disable-line no-unused-vars
+
+	var ArrayIterator = function(arr, kind) {
+		if (!(this instanceof ArrayIterator)) return new ArrayIterator(arr, kind);
+		Iterator.call(this, arr);
+		if (!kind) kind = 'value';
+		else if (String.prototype.includes.call(kind, 'key+value')) kind = 'key+value';
+		else if (String.prototype.includes.call(kind, 'key')) kind = 'key';
+		else kind = 'value';
+		Object.defineProperty(this, '__kind__', {
+			value: kind,
+			configurable: false,
+			enumerable: false,
+			writable: false
+		});
+	};
+	if (Object.setPrototypeOf) Object.setPrototypeOf(ArrayIterator, Iterator.prototype);
+
+	ArrayIterator.prototype = Object.create(Iterator.prototype, {
+		constructor: {
+			value: ArrayIterator,
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		_resolve: {
+			value: function(i) {
+				if (this.__kind__ === 'value') return this.__list__[i];
+				if (this.__kind__ === 'key+value') return [i, this.__list__[i]];
+				return i;
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		},
+		toString: {
+			value: function() {
+				return '[object Array Iterator]';
+			},
+			configurable: true,
+			enumerable: false,
+			writable: true
+		}
+	});
+
+	return ArrayIterator;
+}());
+if (!("Symbol"in this&&"iterator"in this.Symbol&&!!Array.prototype.entries
+)) {
+
+// Array.prototype.entries
+/* global CreateMethodProperty, ToObject */
+// 22.1.3.4. Array.prototype.entries ( )
+CreateMethodProperty(Array.prototype, 'entries', function entries() {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Return CreateArrayIterator(O, "key+value").
+	// TODO: Add CreateArrayIterator
+	return new ArrayIterator(O, 'key+value');
+});
+
+}
+
+if (!("Symbol"in this&&"iterator"in this.Symbol&&!!Array.prototype.keys
+)) {
+
+// Array.prototype.keys
+/* global CreateMethodProperty, ToObject */
+// 22.1.3.14. Array.prototype.keys ( )
+CreateMethodProperty(Array.prototype, 'keys', function keys() {
+	// 1. Let O be ? ToObject(this value).
+	var O = ToObject(this);
+	// 2. Return CreateArrayIterator(O, "key").
+	// TODO: Add CreateArrayIterator.
+	return new ArrayIterator(O, 'key');
+});
+
+}
+
+if (!("values"in Array.prototype
+)) {
+
+// Array.prototype.values
+/* global CreateMethodProperty, Symbol, ToObject */
+// 22.1.3.30/ Array.prototype.values ( )
+// Polyfill.io - Firefox, Chrome and Opera have Array.prototype[Symbol.iterator], which is the exact same function as Array.prototype.values.
+if ('Symbol' in this && 'iterator' in Symbol && typeof Array.prototype[Symbol.iterator] === 'function') {
+	CreateMethodProperty(Array.prototype, 'values', Array.prototype[Symbol.iterator]);
+} else {
+	CreateMethodProperty(Array.prototype, 'values', function values () {
+		// 1. Let O be ? ToObject(this value).
+		var O = ToObject(this);
+		// 2. Return CreateArrayIterator(O, "value").
+		// TODO: Add CreateArrayIterator
+		return new ArrayIterator(O, 'value');
+	});
+}
+
+}
+
+if (!("Symbol"in this&&"iterator"in this.Symbol&&!!Array.prototype[Symbol.iterator]
+)) {
+
+// Array.prototype.@@iterator
+/* global Symbol, CreateMethodProperty */
+// 22.1.3.31. Array.prototype [ @@iterator ] ( )
+// The initial value of the @@iterator property is the same function object as the initial value of the  Array.prototype.values property.
+CreateMethodProperty(Array.prototype, Symbol.iterator, Array.prototype.values);
+
+}
+
 
 // _StringIterator
 // A modification of https://github.com/medikoo/es6-iterator
@@ -5909,7 +6254,8 @@ var StringIterator = (function() { // eslint-disable-line no-unused-vars
 
 	return StringIterator;
 }());
-if (!('Symbol' in this && 'iterator' in this.Symbol && !!String.prototype[Symbol.iterator])) {
+if (!("Symbol"in this&&"iterator"in this.Symbol&&!!String.prototype[Symbol.iterator]
+)) {
 
 // String.prototype.@@iterator
 /* global CreateMethodProperty, RequireObjectCoercible, ToString, StringIterator, Symbol */
@@ -5926,225 +6272,8 @@ CreateMethodProperty(String.prototype, Symbol.iterator, function () {
 
 }
 
-
-// _ESAbstract.UTF16Decode
-// 10.1.2. Static Semantics: UTF16Decode( lead, trail )
-function UTF16Decode(lead, trail) { // eslint-disable-line no-unused-vars
-	// 1. Assert: 0xD800 ≤ lead ≤ 0xDBFF and 0xDC00 ≤ trail ≤ 0xDFFF.
-	// 2. Let cp be (lead - 0xD800) × 0x400 + (trail - 0xDC00) + 0x10000.
-	var cp = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000;
-	// 3. Return the code point cp.
-	return cp;
-}
-if (!('codePointAt' in String.prototype)) {
-
-// String.prototype.codePointAt
-/* global CreateMethodProperty, RequireObjectCoercible, ToInteger, ToString, UTF16Decode */
-// 21.1.3.3. String.prototype.codePointAt ( pos )
-CreateMethodProperty(String.prototype, 'codePointAt', function codePointAt(pos) {
-	// 1. Let O be ? RequireObjectCoercible(this value).
-	var O = RequireObjectCoercible(this);
-	// 2. Let S be ? ToString(O).
-	var S = ToString(O);
-	// 3. Let position be ? ToInteger(pos).
-	var position = ToInteger(pos);
-	// 4. Let size be the length of S.
-	var size = S.length;
-	// 5. If position < 0 or position ≥ size, return undefined.
-	if (position < 0 || position >= size) {
-		return undefined;
-	}
-	// 6. Let first be the numeric value of the code unit at index position within the String S.
-	var first = String.prototype.charCodeAt.call(S, position);
-	// 7. If first < 0xD800 or first > 0xDBFF or position+1 = size, return first.
-	if (first < 0xD800 || first > 0xDBFF || position + 1 === size) {
-		return first;
-	}
-	// 8. Let second be the numeric value of the code unit at index position+1 within the String S.
-	var second = String.prototype.charCodeAt.call(S, position + 1);
-	// 9. If second < 0xDC00 or second > 0xDFFF, return first.
-	if (second < 0xDC00 || second > 0xDFFF) {
-		return first;
-	}
-	// 10. Return UTF16Decode(first, second).
-	// 21.1.3.3.10 Return UTF16Decode(first, second).
-	return UTF16Decode(first, second);
-});
-
-}
-
-if (!('endsWith' in String.prototype)) {
-
-// String.prototype.endsWith
-/* global CreateMethodProperty, IsRegExp, RequireObjectCoercible, ToInteger, ToString */
-// 21.1.3.6. String.prototype.endsWith ( searchString [ , endPosition ] )
-CreateMethodProperty(String.prototype, 'endsWith', function endsWith(searchString /* [ , endPosition ] */) {
-	'use strict';
-	var endPosition = arguments.length > 1 ? arguments[1] : undefined;
-	// 1. Let O be ? RequireObjectCoercible(this value).
-	var O = RequireObjectCoercible(this);
-	// 2. Let S be ? ToString(O).
-	var S = ToString(O);
-	// 3. Let isRegExp be ? IsRegExp(searchString).
-	var isRegExp = IsRegExp(searchString);
-	// 4. If isRegExp is true, throw a TypeError exception.
-	if (isRegExp) {
-		throw new TypeError('First argument to String.prototype.endsWith must not be a regular expression');
-	}
-	// 5. Let searchStr be ? ToString(searchString).
-	var searchStr = ToString(searchString);
-	// 6. Let len be the length of S.
-	var len = S.length;
-	// 7. If endPosition is undefined, let pos be len, else let pos be ? ToInteger(endPosition).
-	var pos = endPosition === undefined ? len : ToInteger(endPosition);
-	// 8. Let end be min(max(pos, 0), len).
-	var end = Math.min(Math.max(pos, 0), len);
-	// 9. Let searchLength be the length of searchStr.
-	var searchLength = searchStr.length;
-	// 10. Let start be end - searchLength.
-	var start = end - searchLength;
-	// 11. If start is less than 0, return false.
-	if (start < 0) {
-		return false;
-	}
-	// 12. If the sequence of elements of S starting at start of length searchLength is the same as the full element sequence of searchStr, return true.
-	if (S.substr(start, searchLength) === searchStr) {
-		return true;
-	 }
-	// 13. Otherwise, return false.
-	return false;
-});
-
-}
-
-if (!('repeat' in String.prototype)) {
-
-// String.prototype.repeat
-/* global CreateMethodProperty, RequireObjectCoercible, ToInteger, ToString */
-// 21.1.3.15String.prototype.repeat ( count )
-CreateMethodProperty(String.prototype, 'repeat', function repeat(count) {
-	'use strict';
-	// 1. Let O be ? RequireObjectCoercible(this value).
-	var O = RequireObjectCoercible(this);
-	// 2. Let S be ? ToString(O).
-	var S = ToString(O);
-	// 3. Let n be ? ToInteger(count).
-	var n = ToInteger(count);
-	// 4. If n < 0, throw a RangeError exception.
-	if (n < 0) {
-		throw new RangeError('Invalid count value');
-	}
-	// 5. If n is +∞, throw a RangeError exception.
-	if (n === Infinity) {
-		throw new RangeError('Invalid count value');
-	}
-	// 6. Let T be the String value that is made from n copies of S appended together. If n is 0, T is the empty String.
-	var T = n === 0 ? '' : new Array(n + 1).join(S);
-	// 7. Return T.
-	return T;
-});
-
-}
-
-if (!('startsWith' in String.prototype)) {
-
-// String.prototype.startsWith
-/* global CreateMethodProperty, IsRegExp, RequireObjectCoercible, ToInteger, ToString */
-// 21.1.3.20. String.prototype.startsWith ( searchString [ , position ] )
-CreateMethodProperty(String.prototype, 'startsWith', function startsWith(searchString /* [ , position ] */) {
-	'use strict';
-	var position = arguments.length > 1 ? arguments[1] : undefined;
-	// 1. Let O be ? RequireObjectCoercible(this value).
-	var O = RequireObjectCoercible(this);
-	// 2. Let S be ? ToString(O).
-	var S = ToString(O);
-	// 3. Let isRegExp be ? IsRegExp(searchString).
-	var isRegExp = IsRegExp(searchString);
-	// 4. If isRegExp is true, throw a TypeError exception.
-	if (isRegExp) {
-		throw new TypeError('First argument to String.prototype.startsWith must not be a regular expression');
-	}
-	// 5. Let searchStr be ? ToString(searchString).
-	var searchStr = ToString(searchString);
-	// 6. Let pos be ? ToInteger(position). (If position is undefined, this step produces the value 0.)
-	var pos = ToInteger(position);
-	// 7. Let len be the length of S.
-	var len = S.length;
-	// 8. Let start be min(max(pos, 0), len).
-	var start = Math.min(Math.max(pos, 0), len);
-	// 9. Let searchLength be the length of searchStr.
-	var searchLength = searchStr.length;
-	// 10. If searchLength+start is greater than len, return false.
-	if (searchLength + start > len) {
-		return false;
-	}
-	// 11. If the sequence of elements of S starting at start of length searchLength is the same as the full element sequence of searchStr, return true.
-	if (S.substr(start).indexOf(searchString) === 0) {
-		return true;
-	}
-	// 12. Otherwise, return false.
-	return false;
-});
-
-}
-
-if (!('Symbol' in this && 'hasInstance' in this.Symbol)) {
-
-// Symbol.hasInstance
-/* global Symbol */
-Object.defineProperty(Symbol, 'hasInstance', { value: Symbol('hasInstance') });
-
-}
-
-if (!('Symbol' in this && 'isConcatSpreadable' in this.Symbol)) {
-
-// Symbol.isConcatSpreadable
-/* global Symbol */
-Object.defineProperty(Symbol, 'isConcatSpreadable', { value: Symbol('isConcatSpreadable') });
-
-}
-
-if (!('Symbol' in this && 'match' in this.Symbol)) {
-
-// Symbol.match
-/* global Symbol */
-Object.defineProperty(Symbol, 'match', { value: Symbol('match') });
-
-}
-
-if (!('Symbol' in this && 'replace' in this.Symbol)) {
-
-// Symbol.replace
-/* global Symbol */
-Object.defineProperty(Symbol, 'replace', { value: Symbol('replace') });
-
-}
-
-if (!('Symbol' in this && 'search' in this.Symbol)) {
-
-// Symbol.search
-/* global Symbol */
-Object.defineProperty(Symbol, 'search', { value: Symbol('search') });
-
-}
-
-if (!('Symbol' in this && 'split' in this.Symbol)) {
-
-// Symbol.split
-/* global Symbol */
-Object.defineProperty(Symbol, 'split', { value: Symbol('split') });
-
-}
-
-if (!('Symbol' in this && 'toPrimitive' in this.Symbol)) {
-
-// Symbol.toPrimitive
-/* global Symbol */
-Object.defineProperty(Symbol, 'toPrimitive', { value: Symbol('toPrimitive') });
-
-}
-
-if (!('Symbol' in this && 'unscopables' in this.Symbol)) {
+if (!("Symbol"in this&&"unscopables"in this.Symbol
+)) {
 
 // Symbol.unscopables
 /* global Symbol */
@@ -6152,19 +6281,9 @@ Object.defineProperty(Symbol, 'unscopables', { value: Symbol('unscopables') });
 
 }
 
-if (!((function(global) {
-	try {
-		if ("WeakMap" in global && WeakMap.length === 0) {
-			var o = {};
-			var wm = new WeakMap([[o, 'test']]);
-			return (wm.get(o) === 'test' && wm["delete"](0) === false);
-		} else {
-			return false;
-		}
-	} catch (err) {
-		return false;
-	}
-}(this)))) {
+if (!((function(e){try{if("WeakMap"in e&&0===WeakMap.length){var t={},a=new WeakMap([[t,"test"]])
+return"test"===a.get(t)&&!1===a["delete"](0)}return!1}catch(n){return!1}})(this)
+)) {
 
 // WeakMap
 /* globals Symbol, OrdinaryCreateFromConstructor, IsCallable, GetIterator, IteratorStep, IteratorValue, IteratorClose, Get, Call, CreateMethodProperty, Type, SameValue */
@@ -6433,19 +6552,9 @@ if (!((function(global) {
 
 }
 
-if (!((function(global) {
-	try {
-		if ("WeakSet" in global && WeakSet.length === 0) {
-			var o = {};
-			var ws = new WeakSet([o]);
-			return (ws.has(o) && ws["delete"](0) === false);
-		} else {
-			return false;
-		}
-	} catch (err) {
-		return false;
-	}
-}(this)))) {
+if (!((function(e){try{if("WeakSet"in e&&0===WeakSet.length){var t={},n=new WeakSet([t])
+return n.has(t)&&!1===n["delete"](0)}return!1}catch(r){return!1}})(this)
+)) {
 
 // WeakSet
 /* global Call, CreateMethodProperty, Get, GetIterator, IsArray, IsCallable, IteratorClose, IteratorStep, IteratorValue, OrdinaryCreateFromConstructor, SameValueZero, Type, Symbol */