! Copyright (c) 1990-1997  Michael Sandrof, Troy Rollo, Matthew Green,
! and other ircII contributors.
!
! All rights reserved.  See the HELP IRCII COPYRIGHT file for more
! information.
!
Usage: WHOWAS <nickname> [<count>]
  Shows information about who used the given nickname last, even
  if no one is currently using it.  If <count> is specificed,
  then only the last <count> entries are shown.