/**
* Sets the logged in user
*
* @param PcUser $u - set the logged in User, if it is null, it detects the logged in user itself
* @return PcUser
*/
public static function setLoggedInUser(PcUser $u = null)
{
if (!$u) {
$u = self::getLoggedInUser();
}
self::$loggedInUser = $u;
return $u;
}
