Pull request #35: RWC-122: Fixed inheriting.
Merge in WWW/tornevall-networks-resurs-bank-payment-gateway-for-woocommerce from fixes/RWC-122 to master
* commit '23265a5d54e8690331adcea68157256340b74f5e':
RWC-122: Fixed inheriting. Was partially based on an old field id bug.
