ianwhite/orm_adapter — pull request #17 by timgaleckas (2012-06-12 19:31:48+00:00)
Title: Normalize _id to id for mongoid.

I wanted something like:
`NestedModel.to_adapter.find_first(parent_id: '2', id: '1')`
to be compliant with mongoid as well as active_record.