public function limit($Limit, $Offset = false)
{
// SQL chokes on ints over 2^31
if ($Limit > self::MAX_SIGNED_INT) {
throw new Exception(t('Invalid limit.'), 400);
}
$this->_Limit = $Limit;
if ($Offset !== false) {
$this->offset($Offset);
}
return $this;
}