Added failing test to show issue with second level cache when IUser implementation does not overrides Equals/GetHashCode
Fix for second level cache miss when comparing users using whole entities, not only the Id when IUser implementation have no Equals/GetHashCode overrides
Added support for NuGet symbols package, for use with SymbolSource.org

Now build script will create two nuget packages, one with libs only, and second with libs and sources
http://docs.nuget.org/docs/creating-packages/creating-and-publishing-a-symbol-package

Added packing all dlls,pdbs and sources by change in nuspec file
Also added acknowledgements.txt, How to Use.txt and license.txt to nuget package, same as in release zip
Merge pull request #10 from whut/master

Fix for second level cache miss when IUser implementation have no Equals/GetHashCode overrides