Tulip issue #196: _OverlappedFuture.set_result() now clears its reference to the overlapped object. IocpProactor._poll() now also ignores false alarms: GetQueuedCompletionStatus() returns the overlapped but it is still pending.
Tulip issue #196: _OverlappedFuture.set_result() now clears its reference to
the overlapped object. IocpProactor._poll() now also ignores false alarms:
GetQueuedCompletionStatus() returns the overlapped but it is still pending.

overcastcloud/trollius,overcastcloud/trollius,overcastcloud/trollius