1.2.4:  2014-06-12   kees
	* ipn_agent.php: unset CAPATH to avoid duplication.

1.2.3:  2010-05-27   kees
	* ipn_agent.php: fix stupid typo.

1.2.2:  2010-04-30   kees
	* ipn_agent.php: do correct unslashing and urldecoding.

1.2.1:  2006-02-05   kees
	* ipn_agent.php: made version mismatch a non-fatal warning.
	* ipn_agent.php: standardized logging

1.2.0:	2005-02-10	 kees
	* ipn_agent.php: corrected "option_selection" noticed by Alex Pooley

1.0.3:  2004-12-23	 kees
	* ipn_agent.php: added "run_stored" command

1.0.2:  2004-07-27       kees
	* ipn_agent.php: dropped "QUIT" command for SQL setup. (thanks Carl!)
	* ipn_agent.php: ok to go from pending to failed. (thanks Steven!)

1.0.1:  2004-04-30      kees
	* ipn_agent.php: added "NOT NULL" bugfix from Carl Peterson

1.0.0:	2004-03-28	kees
	* initial public release