* Basic implementation of send queues (sendq) so that if a socket has a problem

  in sending something to the client, then it queues it within the IRCd to be
  sent later.  All messages are sent sequentially.
TODO:
- Disconnect the user if the sendq/recvq exceeds what's defined in the Y:Line.
- Receive queues (recvq) and implementation of the IRC 2 second throttle.