. Added AUTHORS file
. Added ChangeLog file (currently empty)

. Use of VS_sleep is now just in case of debugging
. Compilation of VS_sleep just in case of debugging
. Moved mem.c/mem.h/sleep.c/sleep.h in a debug directory

. Added header in each file with
   -a CVS tag $Id$
   -the name of the file and a summary of it does
   -a copyrigth information
   -a word to say this file is GPL
   -the name of the author



PLEASE, check AUTHORS and your files (I wasn't sure of the author of each)