jgraichen/acfs — pull request #16 by nicolas-fricke (2014-01-31 11:26:33+00:00)
Title: Feature: add .find_by for retrieving first element only

Use `.find_by` to get first element only.
`.find_by` will call the `index`-Action and return the first resource.
Optionally passed params will be sent as `GET` parameters and can be used for filtering in the service' controller.