2017-01-17: I will be rewriting this for the current iteration of Windows IOT images for all supported devices, and will be only working on the Python 3 version.
ffu2img.py - python script to convert Microsoft FFU files to raw disk images (tested with python 2.7.9)
ffu2img.py3 - python script to convert Microsoft FFU files to raw disk images (tested with python 3.4.3)