Shopify/active_merchant — pull request #595 by ExxKA (2013-02-20 14:54:48+00:00)
Title: Card stream modern

This integrates the latest API from Cardstream and adds the ability to authorize, capture, refund and void transactions. The current version only supported purchases through the old API. The gateway is called CardStreamModern to avoid confusion. Modern is a made up name, Cardstream themselves call the latest version Cardstream and the early version legacy.