centinel response - pares_status may not be defined if connection error
hsbc secure epayments namespace fix
hsbc secure epayments country method call fix
implement hsbc global iris gateway
HsbcSecureEpayments::success_form can be overwritten in child class
HsbcSecureEpayments::$TRANSACTION_STATUS_MAPPINGS used by inheriting classes
paypalexpress gateway - item xml build up fix