2.3.3 Oct 15 2000
     - fallback from curses to stdout
     - new option: -N  use numbers instead of letters
     - new option: -o  use stdout instead of curses or conio
     - scroll back stack for conio version

2.3.2 Jun 10 2000
     - update for curses and PDCurses

2.3.1 May 28 2000
     - bugfix in ncurses interface (array bounds read/write)
     - update manpage
     - minor changes

2.3.0 Apr 27 2000
     - Optional ncurses based interface for unix versions.

