Version: 3.9.4
* Fix - Resolve bug introduced with version 3.7.2 when running on PHP < 7.3
* Fix - Resolve error code E00015 when cart contains more than 30 individual line items
* Fix - Correct compliance with COF (card on file) and MIT (merchant initiated transactions) mandates
* Fix - Resolve issue with failed eCheck renewals when name on account is missing
Fix - Revert COF/MIT changes from version 3.7.0