Copyright (C) 1997-2008 Neil Walker and Retrospec

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  excluding commercial use or gain, and to redistribute it freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. 
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. Distribution by media other than the internet is not permitted, that includes but is not limited to CD, DVD
  4. The software cannot be distributed where advertising is used as a source of income for the distribution of the game
  3. This notice may not be removed or altered from any source distribution.