Shopify/active_merchant — pull request #427 by boourns (2012-08-01 17:28:06+00:00)
Title: Add pxpay integration

Please Review @jduff @Soleone

Adds support for http://www.paymentexpress.com/Technical_Resources/Ecommerce_Hosted/PxPay

Does not support the recurring billing or auth/capture capabilities of the payment processor.