[pyseabreeze] fix byte sorting for USB2000
[pyseabreeze] fix byte sorting for USB2000

* fixes #16

ap--/python-seabreeze,ap--/python-seabreeze,TobiasNils/python-seabreeze,TobiasNils/python-seabreeze,ap--/python-seabreeze,TobiasNils/python-seabreeze