v0.10.0

• Fix some bugs and unwanted behaviour around confirmations and recovery:
  • Don't keep messages around until after recovery - just drop them
  • Time out (configurable) from the afterConfirmed block with synthetic nacks.
• Can set a custom consumer object: https://github.com/rabbitmq/rabbitmq-objc-client/blob/a751b3c2d7873ba7515ed34d3719439522625ad3/RMQClient/RMQAllocatedChannel.m#L229
• API documentation for RMQConnection, RMQChannel, RMQQueue and RMQExchange.
• Future proof for CocoaAsyncSocket 7.5