Shopify/active_merchant — pull request #534 by duff (2012-12-19 20:39:13+00:00)
Title: Banwire gateway: Handle JSON::ParserError.

There have been a few times when Banwire has given us invalid json which
raised an exception. Now we handle it more gracefully in a manner
similar to how we're handling it in Balanced, Fat Zebra, and Stripe.