public function updateStatistics($verbose = false)
 {
     $occurUtil = new OccurrenceUtilities();
     if ($verbose) {
         echo '<ul>';
         $occurUtil->setVerbose(true);
         echo '<li>General cleaning in preparation for collecting stats...</li>';
         flush();
         ob_flush();
     }
     $occurUtil->generalOccurrenceCleaning();
     if ($verbose) {
         echo '<li>Updating statistics...</li>';
         flush();
         ob_flush();
     }
     $occurUtil->updateCollectionStats($this->collid, true);
     if ($verbose) {
         echo '<li>Finished updating collection statistics</li>';
         flush();
         ob_flush();
     }
 }