Versions <= 1.0 were written by Brainsoft.
(c) 1999-2000 Brainsoft

e-mail: brain@artax.karlin.mff.cuni.cz
URL: http://artax.karlin.mff.cuni.cz/~brain/

1.0 < versions <= 2.3 were written by Achim Flammenkamp
(GPL) 2000-2005

e-mail: achim@mathematik.uni-bielefeld.de
