Fix handling of None, and, encode not 'bytes'
Add a python_type constructor (used by EncryptedType)
Allow key to be a callable
Add support for 'python_type' to 'ColorType'
Add support for 'coercion_listener' to the encrypted type.
Remove comment.
Try and use 'process_result_value' and 'process_bind_param' if possible
Handle 'sa.Boolean' for 'EncryptedType'
Remove print
Handle date, time, and datetime column types.
Merge branch 'master' into updates
Update tests, docs, and changelog
Upgrade pytest (for fixtures)
Update to have a consistent style
Merge remote-tracking branch 'origin/master' into updates

Conflicts:
	CHANGES.rst
Make code in docstrings use single-quotes as well
Fix for python 2.x
Merge pull request #98 from kvesteri/updates

Updates to support EncryptedType in more scenarios