Log Message:
Update to 1.2. Changes since 1.0:

1.2:
19/01/2003 (virtus): put the code into seperate files
19/01/2003 (virtus): fixed the topfile and bottom file bugs

1.1:
18/01/2003 (virtus): -t [topfile] option added
18/01/2003 (virtus): -b [bottomfile] option added
18/01/2003 (virtus): -V argument added
18/01/2003 (virtus): some small things were fixed

Update requested in PR pkg/19915 by virtus@wanadoo.nl, the maintainer.