* direct messaging, both TCP sockets and UDP
 * various conditional requests, such as PING, etc.
 * multicast message type
 * multi-packet messages
   * file transferrals
 * multiple message "modes," such as encrypted, unencrypted
 * custom tunneling interface, possibly

 * Fully-working X11 interface
 * Windows interfaces
  * possibly make a non-select() and non-ANSI derivative of ccast
  * GDI (I think?)
 * OS X interface (lower priority, due to terminal + x11 support)