Initial pass at get_items and response for users controller.
Included users controller file and added users collection route.
Initial pass at get_item for User controller.
Register route for User get_item.
Add create method to base controller.
Add create users route to initial registered routes.
Fixed $request parameter for get_items method in users controller.
Correct logic when building response for get_items in user controller.
Initial pass at create a user logic in the user controller.
Add route to edit a user to initial registered routes.
Pinking shears.
Initial pass at update_item method for users controller.
Moved required parameters check into server dispatching.
Fix logic in check_required_parameters to handle request from dispatch.
Move required parameter check after request attributes are set.
Add initial basic unit tests for user controller.
Change orderby parameter default to lowercase.
Initial pass at delete_item route for users controller.
Unit tests for delete_item method from users controller.
Fix delete item tests on multisite by setting ms permissions.