function __construct($table = PACWTT_DB_TABLE_ACTIVITY)
 {
     parent::__construct($table);
 }
 function __construct($table = PACWTT_DB_TABLE_INTERVAL)
 {
     parent::__construct($table);
     // Days' name mapping
     $this->dow_map = array(__('Sunday', 'pacwtt-plugin'), __('Monday', 'pacwtt-plugin'), __('Tuesday', 'pacwtt-plugin'), __('Wednesday', 'pacwtt-plugin'), __('Thursday', 'pacwtt-plugin'), __('Friday', 'pacwtt-plugin'), __('Saturday', 'pacwtt-plugin'));
 }