dkarzon/DropNet — pull request #71 by prashantvc (2012-05-21 07:56:00+00:00)
Title: Added async delta functionality.

Detla method in `Files.Async.cs` was still using the beta implementation.
As result we always get exception on calling `GetDeltaAsync` method.

Now it is fixed in this commit.

Thanks.
Prashant