Created life.c <-- drawcube.c                           2003-09-23
Created xpalette.c <-- life.c                   2004-05-20
Created  xpalette.h <-- life.c                  2004-05-20
include xpalette.h, xpalette.c latest version:  2008-07-15
Created  xcolours.c <-- life.c                  2004-04-04
Created  xcolours.h <-- xcolours.c              2007-12-09
include xcolours.h, xcolours.c latest version:  2009-05-30
Renamed to lifeX11.c with MIT-licence                   2014-06-09
Support -<gridsize>/<fraction alive>                    2014-06-10