10/04/97 Version 1.0
First public realese

10/20/97 Version 1.1
Bug fix: now /Author field can be placed also after first /Title field
Special Characters: & -> &amp, > -> &gt, < -> &lt
Thanks to A.Gale@RD.tei.ericsson.se (Gale Andrew)

11/01/97 Version 2.0
New input files format: HTML, OTHER 

11/15/97 Version 2.1
If HTML and PDF files haven't a description the program uses the file name
Bugfixes by Bertrand Decouty <Bertrand.Decouty@irisa.fr>:
- I believe you have missed the ";" at the end of html characters name
  (& should be &amp;)
- you do not deal with multiple same letters in one string (add g to
  end of s/x/&xyz/)

11/15/97 Version 3.0
Every file is groupped in 5 category: HTML files, PDF files, Graphic files,
Compressed files, Others

11/28/97 Version 3.1
Verbose option
