loosen dependencies
better block handling
allow options for subscribing to named queues
merge!
Merge pull request #1 from connamara/durable-options

Durable options
use Bunny instead of AMQP
clean up init_queues
threading options
fix specs
Merge pull request #2 from connamara/bunny

[WIP] use Bunny instead of AMQP
Merge pull request #5 from connamara/master

use bunny