restored undocumented way to pass null to setPage to select the first page. Enhanced so that it works in conjunction to maxPerPage. refs #3562
restored undocumented way to pass null to setPage to select the first page. Enhanced so that it works in conjunction to maxPerPage. refs #3562

theodo/symfony1.0-backports,theodo/symfony1.0-backports,theodo/symfony1.0-backports