Fix Issue #68, have watchers ignore connection closed and cease to watch the node per their docs.
Simplify session expiration so that we can easily fake it so the client handles it as if the server sent it, without having to mess around trying to get the server to send it in the first place.
Saner testing retries.
Use the proper client shutdown command.
Add connection dropped testing hook for faster drop testing.
Suspends occurs immediately now.
Send commands in threads for faster execution.