public function _execute( $action, $params = array() ) 
	{
		if ( method_exists( $this, 'action_'.$action ) ) 
		{
			call_user_func( array( $this, 'action_'.$action ), $params );
		} 
		else 
		{
			CCCli::line( "There is no action {$action}.", 'red' );
		}
	}