Changed private methods to be protected instead
Converting response to json first after uploadHandler method has been executed - this makes it easier for other actions to use the uploadHandler method
Including all p3 media attributes in the response after upload, allowing for javascript hooks to do more
Throw exception on failed deletion
Set field_name as method argument to uploadHandler method
Merge pull request #54 from motin/import-controller-more-extendable-friendly

Import controller more extendable friendly