created StoreAsync methods
updated the method to utilize the same StoreInternal
Fixing race condition in the test
Merge branch 'master' of github.com:ayende/ravendb

Conflicts:
	Raven.Tryouts/Program.cs
moved Store command to extension method and updated tests
Adding fiddler support
Minor test refactoring
Fixing test
included namespace to more tests
Fixing nullable datetime handling in ExpressionStringBuilder
Fixing typo in settings
Merge branch 'master' of https://github.com/SHSE/ravendb
Merge branch 'StoreAsync' of https://github.com/felipeleusin/ravendb