gengetopt THANKS file

gengetopt has originally been written by Roberto Arturo Tena Sanchez,
and it is currently maintained by Lorenzo Bettini.
Many people have further contributed to gengetopt by reporting problems, 
suggesting various improvements, or submitting actual code. Here is
a list of these people. Help me keep it complete and exempt of errors.

Lorenzo Bettini			lorenzo.bettini@penteres.it
James R. Van Zandt		jrv@vanzandt.mv.com
