Extract acknowledge methods from message.
Try pool message delegation instead of worker polling.
Dispatch messages to matching consumer and action.
Improve logger setting. Set to false to disable logging.
Drop pool usage in favor of bunny thread pool.
Delegate client size opt to bunny thread pool.
Remove old graceful shutdown code.
Return using pool for graceful shutdown support.
Fix msgr specs.
Add simple integration specs.
Add publish methods to consumer. Small fixes.
Add gem description.
Add simple JSON coding.
Add some snippets to README.