 * add a check that symlinks and suchlike to excluded directories
   don't get whined about (/dev/kcore -> /proc/kcore)
 * handle .dpkg-{old,dist,new} files?
 * add a cronjob?
 * make a postinst that pre-ignores /usr/local, /home/ftp or similar?
 * remove hard coded constants from .c files
 * write a Makefile for crying out loud!!
 * think up better names for this stuff?
 * fix possible overflow in readlinks
