Fixes date typo in Changelog. Closes #41
Add Connection.create_transport method

This makes it possible to extend Connection class and use a customized
transport.
Adds Yury Selivanov to AUTHORS
Renames Connection.create_transport -> Connection.Transport (Issue #39)
Fix drain_events timeout
Adds Artyom Koval to AUTHORS
frame_handler no longer coroutine
Reconstructs missing commit.  Closes #50
Merge branch '1.4'

Conflicts:
	README.rst
	amqp/__init__.py
	amqp/connection.py
Frame writer stop should raise RecoverableConnectionError
Merge remote-tracking branch 'refs/remotes/author/master'