public function __construct()
{
add_action('init', array($this, 'action_init'));
add_action('admin_init', array($this, 'action_admin_init'));
add_filter('editable_roles', array($this, 'filter_editable_roles'));
add_filter('user_has_cap', array($this, 'filter_user_has_cap'), 10, 4);
}