NOTE: THE PROGRAM ALTERS YOUR DOOM.WAD FILE AND YOUR DOOM.EXE FILE.
*KEEP A BACKUP IN CASE SOMETHING GOES WRONG, OR BETTER YET, PUT THIS PATCH
 IN ITS OWN SEPERATE DIRECTORY WITH A COPY OF DOOM*

Sorry to shout, but I don't want someone to cry at me if something goes
horribly wrong and it eats your only copy of DOOM.
