function getTimestamp(&$error)
{
    $timestampRow = DB_doquerErr("SELECT MAX(`Seconds`) FROM `__History__`", $error);
    if ($error) {
        return '0';
    } else {
        return $timestampRow[0][0];
    }
}
function queryDb($querySql)
{
    $result = DB_doquerErr($querySql, $error);
    if ($error) {
        error($error);
    }
    return $result;
}