Fix hooks_register() and make it publicly accessible method.
Add namespace to page handles.
WPRobot: Filter out extra options while registering a post type.
WPRobot: Use old style lambda functions and callbacks.

Sad, but still required.
WPRobot: Now custom image sizes can be defined via $image_sizes property.
WPRobot: Now columns and their content can be defined via $options['columns'] and a set of custom named callback on a controller.
WPCtrl: Post type statuses are now part of robot.
Trying to port over $uses property, but there are problems.

Robots and Controllers in i8 are too interconnected, cannot exists
without each other.