Modified pythes.py to show intended behavior of patterns.

The return of Fetcher.fetch should be a valid argument to Sender.send,
on-the-spot.
Added a close method to Fetcher and Sender.

For resource clean-up.
Added redis 2.9.1 to requirements.
Added while True to the run method of Pytheas.

This makes it ever-running, checking its fetcher and sending once per second,
as is my intention.
Added sample Redis implementations utilizing this framework.

Run redis_producer and redis_patterns will "fetch and send" those produced.