Implemented IWindowProxy IDL and placed comments on the Navigator interfaces
DOM Implementation is now a singleton (no dependency here)
Added script preparation and possible execution
Unit test for longer character references
Bug fix involving really long and unfound character references
Shifted some methods and changed modifiers
Added text stream and PCL partial extension for improved source managing.
Added .NET 4 partial extension and TextStream file
Changed initialization to use TextStream
Adjusted tests to changes