* re-order $order_key_array array to cope with custom VendorTXCode prefixes. * PayPal Logo for SagePay Form/Direct * Fix PayPal transactions in Direct.
* Fix PHP Fatal error: Uncaught Error: Call to a member function empty_cart() on null * Add support for PayPal with SagePay Direct
* _sageresult for SagePay Form transactions - contains all the returned information from Sage
