Version 0.5 / Wed, Sept 5 2007
  - Added internationalization and Italian translation.  Thanks to
    Gabriele Vivinetto for the suggestion, translation, and head start.
  - Added ability to pass alternate alias names to the vacation program
    at the request of a few people.
  - Added ability to wipe out the vacation reply cache at the request
    of a few people.
  - Added keep_by_default config option.  Thanks for Daniel Watts for
    the suggestion.

Version 0.4 / Fri, Jun 27 2003
  - Fixed a bug where a user couldn't leave on filtering if they weren't
    doing a forward or vacation response.
  - Added more comments to config.php, converted the examples from
    a qmail setup to postfix/sendmail.
  - Tried to avoid creating some unnecessary PHP log warnings.

Version 0.3 / Fri, Apr 11 2003
  - Tried to take care of all shortcomings when register_globals = Off.

Version 0.2 / Wed, Apr 09 2003
  - Initial public release.
