/**
* Returns list of users
*
* @param array $options Optional array of options. Options include:
* sort
* sort_direction
* userclass
* @return array List of users. Array is keyed on user_id and value is array with all ca_users fields + the last_login time as a unix timestamp
*
*/
public function getUserList($options = null)
{
$t_user = new ca_users();
return $t_user->getUserList($options);
}