Keep #first API for in-memory search consistent with db query (memory and mongo objects)
Keep #first API for in-memory search consistent with db query (memory and mongo objects)

mongodb/mongoid,herimedia/mongoid,Welovroi/mongoid,Welovroi/mongoid,mongodb/mongoid,jonhyman/mongoid,jonhyman/mongoid,kay-kim/mongoid,herimedia/mongoid,mongodb/mongoid,kay-kim/mongoid