Copyright (c) 2002, 2003 Tom Hunter

This software is provided 'as-is', without any express or implied warranty.
In no event will the author 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 and
to alter it and redistribute it, 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 marked as such, and must not be
   misrepresented as being the original software.

3. If you make changes to the software the author would appreciate it if
   you would feed back the changes (but you are not required to).

4. This notice may not be removed or altered from any source or binary
   distribution.