/**
  * Override the additional information (defaulting to user name)
  * A call to this verb should replace every occurence of
  *    $oMyChange = MetaModel::NewObject("CMDBChange");	  	 
  *    $oMyChange->Set("date", time());
  *    $oMyChange->Set("userinfo", 'this is done by ... for ...');
  *    $iChangeId = $oMyChange->DBInsert();
  */
 public static function SetTrackInfo($sInfo)
 {
     self::$m_sInfo = $sInfo;
 }