Added prefix_key and expire_timeout options
Merge pull request #11 from jeremyFreeAgent/evo_redis_prefix

Added prefix_key and expire_timeout options
Better examples, fix formatting

use better examples - user id 404 might be mistaken for an http status code, and 'song:played' is a more realistic action (to most people).

Also fix formatting (this file is using restructured text, not markdown).
Merge pull request #12 from tonypiper/patch-2

Better examples, fix formatting
Updated free-agent/bitter version