Removes some more null datatypes in other methods.
Removes some more null datatypes in other methods.

Spriz/crud,bcrowe/crud,simkimsia/crud,ankr/crud,bravo-kernel/crud,davidyell/crud,FriendsOfCake/crud-json-api,johanmeiring/crud,ojengwa/crud,dakota/crud,FriendsOfCake/crud,deizel/crud,pwerken/cakephp-crud