tweak a bit actorQueue for running the callbacks in strategy
changed runSpec such a cleanup is captured from awaits
Enhanced WyeActor so it interrupts the running requests from L/R on cleanup.
Merge branch 'topic/these-receiveY' of github.com:scalaz/scalaz-stream into topic/these-receiveY
Merge branch 'refs/heads/topic/these-receiveY' into spinoco/master