Craft\m160427_000000_retour_addHandledStats::safeUp PHP Method

    public function safeUp()
    {
        // specify columns and AttributeType
        $newColumns = array('handledByRetour' => ColumnType::Bool);
        $this->_addColumnsAfter("retour_stats", $newColumns, "hitLastTime");
        // return true and let craft know its done
        return true;
    }