Revision history:

0.07  Mon Mar 29 16:54:25 CST 2004
  - Patched next() and previous() to work with new DateTime::Set

0.06  Tue Dec 30 14:28:32 CST 2003
	- Added user-mode auto-detection
	- Added original() method to return original
          unparsed cron strings

0.05  Tue Nov 11 22:40:16 CST 2003
	- Retains command and user strings if present
	- Switched to named parameters for constructors
	- Added 'user_mode' parameter for crontab formats
	  that include user names before the command.
	- Added command() and user() methods

0.04  PAUSE fodder

0.03  Wed May  7 17:09:38 EDT 2003
	- more edge cases detected/prevented
	- dependencies added
	- removal of 'our'

0.02  Fri May  2 00:22:52 EDT 2003
	- changed API
        - fixed some boundary cases
        - streamlined, added some helper classes with cron sets
        - CPAN

0.01  Tue Apr 22 19:52:56 EDT 2003
	- initial release
