Main author:          Fabien Letouzey<fabien_letouzey(at)hotmail.com>
Native Windows port:  Huang Chen<webmaster(at)elephantbase.net> ("Morning Yellow")
Various enhancements: Fonzy Bleumers<match(at)geenvis.net>
		      Harm Geert Muller<h.g.muller(at)hccnet.nl>
    	  	      Michel Van den Bergh <michel.vandenbergh(at)uhasselt.be>