a redis session store for rack. largely based on Rack::Session::Pool. this is an initial release, use with care. patches gladly accepted.

$ cat config.ru
require "rack/session/redis"

use Rack::Session::Redis, {
:url          => "redis://localhost:6379/0",
:namespace    => "rack:session",
:expire_after => 600
}

using :expire_after requires redis >= 2.0.