Adding version of Should.NotThrow that allows passing through return value
Adding unit test for overload of NotThrow that returns the value
Merge pull request #68 from taschmidt/master

Adding version of Should.NotThrow that allows passing through return val...
Fixing sln
Add .net 4.0 support
Removed trace
Using GitFlowVersion for version number
Build script updates
Another build script tweak
Updated NuGet package script