fixed bug in stringToIpAddr, which was returning the ip address in reverse

                throw new UnknownHostException(addrString);

            }

            int a = Integer.parseInt(parts[0])      ;

            int b = Integer.parseInt(parts[1]) <<  8;

            int c = Integer.parseInt(parts[2]) << 16;

            int d = Integer.parseInt(parts[3]) << 24;

            int a = Integer.parseInt(parts[0]) << 24;

            int b = Integer.parseInt(parts[1]) << 16;

            int c = Integer.parseInt(parts[2]) <<  8;

            int d = Integer.parseInt(parts[3])      ;

            return a | b | c | d;

        } catch (NumberFormatException ex) {