using QoS with prefetch count and deferring message ack() to after processing
flakes
extending DOS test to make an extra call to check message distribution
mergin in master
cancelling consumer during kill
merging queue-handling branch
adding force to kill, to make sure workers can be killed if they don't want to die
adding tests for force kill
addressing codereview
addressing Second simultaneous read issue during consumer cancellation
Merge remote-tracking branch 'origin/master' into queue-handling-with-master
Merge pull request #22 from onefinestay/queue-handling-with-master

Queue handling with master