++++++++++++++++
- New style process local channels support. This version is
compatible with ASGI reference >= 1.1
- Declared queues cache was introduced. Channels worker bootstrap
hook was removed.
- Python 3.6 and Django 1.11 compatibility.
- Connection and AMQP channels level errors are propagated to the
caller thread.
- ``TEST_CONFIG`` support for test case mixin.