Updated examples for if let addition, and a failure test with a message.

examples/multithreaded.rs

@@ -1,4 +1,3 @@
-#![feature(if_let)]
 #![feature(slicing_syntax)]
 extern crate irc;
 

examples/simple.rs

@@ -1,4 +1,3 @@
-#![feature(if_let)]
 #![feature(slicing_syntax)]
 extern crate irc;
 

examples/simple_ssl.rs

@@ -1,4 +1,3 @@
-#![feature(if_let)]
 #![feature(slicing_syntax)]
 extern crate irc;
 

examples/tweeter.rs

@@ -1,4 +1,4 @@
-#![feature(if_let, slicing_syntax)]
+#![feature(slicing_syntax)]
 extern crate irc;
 
 use std::default::Default;

src/server/mod.rs

@@ -292,7 +292,7 @@ mod test {
     }
 
     #[test]
-    #[should_fail]
+    #[should_fail(message = "All specified nicknames were in use.")]
     fn ran_out_of_nicknames() {
         let value = ":irc.pdgn.co 433 * test :Nickname is already in use.\r\n\
                      :irc.pdgn.co 433 * test2 :Nickname is already in use.\r\n";