1 check for the cookie and act accordingly for incoming messages.
2 channel bind have a 10 minutes expiration :@
3 nice_socket_recv returns -1 means we must close the nice_socket and stop all connchecks/candidates and reelect if was eleected...
4 Add HTTP Digest support
5 tcp turn must drop packets if the queue fills too fast
6 make sure the timers don't race condition with frees, and have some kind of refcounting (like in turn send requests) for timers
7 Add support for TURN-13