Implemented the base class for HTML parse engines
Implemented several user-related parse engines and replaced the parse functions
Implemented parse engines in Section class, refactored Shoutbox class
Renamed parseengine classes and interfaces, implemented derived parseengines in PrivateMessage class
Renamed Parsing interfaces and classes, added the new namespace 'Evaluation'
Merge pull request #11 from Mostey/htmlparseengines

HTML Parsing Optimizations