Many Fixes:
 - GroupByMany (somewhere from msdn)
 - Support for Logical Operators
 - Better Guid support (compare with string)
 - Better Enum support (Names, Greater/Lower comparison)
 - Support for Shift opperators
More Unit Tests...
More Fixes for my new Functions...
Merge remote-tracking branch 'remotes/narnott/master'

Conflicts:
	Src/System.Linq.Dynamic.For35/System.Linq.Dynamic.For35.csproj
	Src/System.Linq.Dynamic/System.Linq.Dynamic.csproj
Reworked Enums and Custom Dynamic Types, and added documentation for those
areas.
Reworked GroupByMany and added documentation
Updated Unit Tests and Fixed Guid Comparison when compared in wrong order.
Updated Web Docs to support Interfaces and Properties
Added Web Docs for Jogibear's changes and other minor doc changes.
Added unit test for Contains/In for Guid Lists
Merge branch 'jogibear'

Conflicts:
	Src/System.Linq.Dynamic.Tests/ExpressionTests.cs