adrianmacneil/omnipay — pull request #163 by chrisnharvey (2013-11-08 19:11:55+00:00)
Title: Adding supportsPurchase method to AbstractGateway

The supports* methods are really helpful, although it appears as though a method is missing to check if the purchase() method is supported.

This PR adds a supportsPurchase() method to AbstractGateway