1.0.4    2003 July 14
         Added keysize() function

1.0.3    2003 July 10
         Corrected typo errors in the description

1.0.2    2003 July 05
         Added contact information

1.0.1    2003 July 01
         Added a more descriptive name in the Abstract section

1.0.0    2003 June 30
         Initial release