Main developers:
  Paolo Bacchilega <paolo.bacchilega@libero.it>

Contributors:
  Claudio Bley <bley@cs.uni-magdeburg.de> 	Patch to cope with systems that
						do not have FNM_CASEFOLD 
						defined.
  Shaun McCance <shaunm@wolfram.com> 		Zoo archives support.
  Daniel Brodie <daniel@brodienet.com>          ISO images support.