Somewhat stable interface, stable impl

Still not PROD ready, but getting there!

This interface only uses one thread to consume messages off of the stream. It kind of stinks compared to 0.9 because you can't .clone() or .copy() the TobyMessenger, so you need to wrap it in an Arc<Mutex<>> yourself. That being said, there is no longer this extra thread.

It needs documentation updates, examples, and actual tests.

not prod ready!

Initial release

This is the initial release of tobytcp