updated to support conneg with HttpResponseMessage
added method to return all keys from cache

fixes #60
Merge pull request #61 from alexjamesbrown/allkeys

added method to return all keys from cache
Update README.md

updated from InvalidateCache to InvalidateCacheOutput
Preserve stack trace when using CacheOutputAttribute

To preserve inner exceptions in an async method, we need to re-throw exceptions as follows:
ExceptionDispatchInfo.Capture(ex).Throw();
See http://stackoverflow.com/questions/57383/in-c-how-can-i-rethrow-innerexception-without-losing-stack-trace
Merge pull request #64 from jpatapoff/master

Preserve stack trace when using CacheOutputAttribute
Add strong name to projects
Update NuGet and implement NuGet Package Restore the "right way" (http://blog.davidebbo.com/2014/01/the-right-way-to-restore-nuget-packages.html)
Merge branch 'master' of https://github.com/Jaans/AspNetWebApi-OutputCache