Add Restful manager to remove code from the main module.
fix: change prefix as is defined by the server.
Merge branch '7.x-1.x' of https://github.com/Gizra/restful into 7.x-1.x
Don't try to assign bundle key for an entity with no bundles.
Merge pull request #249 from Gizra/create-no-bundle

Don't try to assign bundle key for an entity with no bundles
Merge pull request #246 from Gizra/245

Token auth in the header should be under $_SERVER['HTTP-Access-Token'].
Empty value should not create a new entity from a reference field.
Only check filter access on write contexts.
Merge pull request #258 from HelenaEksler/null-reference

Empty value should not create a new entity from a reference field.

Sometimes a client may send a NULL value, but it might be casted to an empty string. We now make sure with are returning a NULL value in that case.
Add HAL+JSON formatter, by @amitaibu, @mateu-aguilo-bosch, @mirzu.
Don't throw exception in list of entities.

If no IDs were requested, we should not throw an exception in case an
entity is un-accessible by the user.