We just released small update for FirsData GGe4 Payment Terminal which fixes several bugs.
We encourage all customers to update to the new version (v1.2).
To update you only need to replace all the files except includes/config.php – new files can be obtained through your Codecanyon profile.

Version 1.2 – October 6, 2015
– fixed issue with comma in the amounts.
– fixed paypal IPN listener URL
– added default timezone in config file
– fixed mktime notice