Added support for heartbeat and deleting bindings

Added support for heartbeats and removing bindings.

Support for consumer tag

SUpport for consumer tag added.

Consumer tag support

This release adds consumer tag support.

Release.

Merge pull request #29 from c-datculescu/vstepanyuk-patch-2

Update composer.json

Added import possibility for yaml config files.

Merge pull request #27 from c-datculescu/dev

Added imports config support into Yaml config loader

Counter bug and basic unit testst

Fixed a bug where the counter was wrong for the messages and added basic unit tests

Bumped version

v0.3.20

Update composer.json

Bumped the version

v0.3.18

Update composer.json

Removed temporarily the amqp extension requirement

Merge pull request #24 from titosemi/master

Temporarily removed the amqp-ext restriction for some projects.

Small fixes and improvements

v0.3.16

Fixes and improvements