Keywordize key on :body and add cookie middleware.
Adding handler for post, put and delete.
Implementation of keywordize body key middleware.
Instead checking if the type is ObjectId, we now check if the value is encodable to ObjectId.
Adding exist checker.
Change :creator to :user and oid-only to encodable-to-oid.
Refactoring in resourc, now uses named function instead of anonympus.