Fix the data config, so that the development database is not the same as the test database. Make a good stab at getting the creates and updates for relations working, adding some new error exceptions. Some code indentation cleanup.

app/models/way.rb

@@ -85,6 +85,7 @@ class Way < ActiveRecord::Base
     el1['visible'] = self.visible.to_s
     el1['timestamp'] = self.timestamp.xmlschema
     el1['version'] = self.version.to_s
+    el1['changeset'] = self.changeset_id.to_s
 
     user_display_name_cache = {} if user_display_name_cache.nil?