Usage: SET AUTO_NEW_NICK [ON|OFF|TOGGLE]
  If set to ON, it will automatically generate a new nickname for you 
  if you are ever server killed becuase of a nickname collision.  The
  new nickname will be based upon your present nickname, and it will
  generate from 9 to 17 new nicknames for you before it gives up and
  asks you for a new nickname.

  If set to OFF, the client will always ask you for a new nickname if 
  you are ever server killed for a nickname collision.
