/**
  * Uses the new Iterator in LdapEntityManager to return the next element of a search
  * 
  * Returns false if there are no more objects in the iterator
  */
 public function itGetNext($varname = false, $value = false)
 {
     if (empty($this->it)) {
         $this->it = $this->em->getIterator($this->getFilter($varname, $value), $this->entityName);
     }
     return $this->it->next();
 }