Mpdreamz/NEST — pull request #337 by henkish (2013-09-02 15:02:06+00:00)
Title: Replaced async model with true async

Rewrote DoAsyncRequest to use real async web methods instead of starting
new tasks and allocating thread pool resources for waits and callbacks.

Removed the MaximumAsyncConnections Semaphore because connection limits are already enforced in the System.Net.ServicePointManager...