Shopify/active_merchant — pull request #231 by 23inhouse (2011-11-30 07:21:06+00:00)
Title: Bug fix #230 - Add rubigen to the gemspec

Rubigen is required for `script/generate gateway foobar_stream`, when generating a gateway skeleton. From step 2 of the [Contributing wiki page](https://github.com/Shopify/active_merchant/wiki/contributing).