PEP 8
Merge branch 'driver_refactoring' of https://github.com/lvsn/CameraNetwork into driver_refactoring
Merge branch 'driver_refactoring' of https://github.com/lvsn/CameraNetwork into driver_refactoring
Merge branch 'driver_refactoring' of https://github.com/lvsn/CameraNetwork into driver_refactoring
minor bigfixes