tornevalls-resurs-bank-payment-gateway-for-woocommerce

RWC-435
WOO-684

* Fixed unrelated error in sprintf.
* Fixed an unmatched docblock.
* Fixed unset var-setup for ecom_short.
* Fixed $orderData['meta']-casting.
* Fixed parameters and typehints in getMetaDataFromOrder.
* Fixed weird problems with xdebug and purged metadata array.
* Fixed return type hint for getPurgedMetaData.
* Added cached and requestMethod to metadata purger.
* Updated purgeMetaData to be a filter.
* Fixed purger to make sure metaDataContainer has content.
* Fixed purger so data returned to client is cast as an array.
* Fixed unrelated formatting for resurs_secondary in $orderData.
* Fixed so ecom_had_reference_problems only will be shown when the value is true, indicating that the order reference had problems in the setup.
* Renamed key ecom_had_reference_problems to string: "ECom Reference Error".