Contact Bill Winfield at [email protected]  if

1.    You have found an error that needs to be corrected.
2.    You are interested in a newer version.  This version was updated August 17, 2002
    

This work is copyrighted.  Permission is given to copy as long as the following conditions are met:

1.     NO profit is made while copying
2.     It may be placed on the web if no password is required to reach the site.
3.     This page is not changed.