Add Credit Card Completion Support (cccomplete)
Add support for converting the Auth Only to a completed card transaction
xmldata=<txn>
<ssl_merchant_id>my_virtualmerchant_id</ssl_merchant_id>
<ssl_user_id>my_user_id</ssl_user_id>
<ssl_pin>my_pin</ssl_pin>
<ssl_description>Keyed Sale API</ssl_description>
<ssl_transaction_type>cccomplete</ssl_transaction_type>
<ssl_txn_id>AA4843B-EEBFF0FE-0BDC-47A3-B4F6-5D752E2FBE42</ssl_txn_id>
</txn>