rails-api was released!!!

The project url is https://github.com/spastorino/rails-api and you can
read more info about it on this blog post
http://blog.wyeworks.com/2012/4/20/rails-for-api-applications-rails-api-released

Please test it, and share the performance improvements you may get.
This is REALLY important if this plugin show real improvements the
whole thing could be added to core.

Cheers,
Santiago.