Rollback fixes to classes. Problems as described below.

- python-daemon is not compatible with gevent.
(see also 26b26fa1bc56bd66c7b8fc01715bf84d1e3ffb5f)

- Weird behavior where the logging in redis_patterns.RedisSender is raised in
redis-py's classes. Not sure if this is a bug with redis-py, with redis, or
with my logging set-up.