WebDevStudios/Custom-Metaboxes-and-Fields-for-WordPress — pull request #480 by senicar (2014-03-05 18:00:55+00:00)
Title: fixes for invalid callback on call_user_func and removed extra <

self::set_field_defaults( $field ) doesn't return anything so $field['type'] doesn't exists

also removed an extra < that gets rendered