/**
  * A method to change a user email
  *
  * @param DataObjects_Users $doUsers
  * @param string $emailAddress
  * @param string $password
  * @return bool
  */
 function changeEmail(&$doUsers, $emailAddress, $password)
 {
     $doUsers->email_address = $emailAddress;
     $doUsers->email_updated = $doUsers->formatDate(new Date());
     return true;
 }