Added [WeeChat](https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/WeeChat) ([diff](https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/InstantMessaging?action=diff&version=38)) URL: https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/InstantMessaging?version=38