Python wrapper for NXP libusbsio binary library

The NXP libusbsio is a binary library for Win/Linux/MacOS systems
used to exercise SPI, I2C bus and GPIO pins over USBSIO interface of
NXP LPCLink2 and MCUlink Pro devices.

This Python component provides a wrapper object which encapsulates the
binary library and exposes its API to Python applications.