Shopify/active_merchant — pull request #331 by dennisoconnor (2012-04-02 17:39:33+00:00)
Title: Added visa_dankort? to CreditCardMethods

The visa_dankort? method returns true if the card_number parameter is a Visa Dankort number.

This is needed to fix Shopify's Visa Dankort support.

Please Review
@Soleone @odorcicd