Replaced with `__send__` from std lib
* `send` can now be overridden to be more semantically meaningful
* `message.send(user_id)` as opposed to `message.send_message(user_id)`
* `__send__` makes it clear that the reflective version is intended
Workers are the user's classes, the threads are now called processors. Add secret sauce to make Rails config much easier. Use a railtie to auto-add app/workers to the autoload path.