Fixing variables scope accessor.
Saving bonded method internally for later removal.
Removing circular dependency between Model and Factory (closes #39)
Fixing asynchronous callback in @_instantiate
Merge remote-tracking branch 'giulian/hotfix-model-instantiate' into dev

Conflicts:
	www/src/theoricus/mvc/model.coffee

Using single line comments instead of block comments, and breaking lines
at 80 chars.
Releasing 0.2.12