public function getMember($email,$listid)
    {
    	$action =  "lists/".$listid."/members/" . md5($email);
   		return self::getData($action);
    }
public function getMember($email,$listid)
    {
    	$action =  "lists/".$listid."/members/" . md5($email);
   		return self::getData($action);
    }
public function getMember ( $ email , $ listid ) { $ action = "lists/" . $ listid . "/members/" . md5 ( $ email ) ; return self :: getData ( $ action ) ; }
get a user from a given listid with a given email
@param $email
@param $listid
@return mixed
get a user from a given listid with a given email