http://stutterbrain.wordpress.com
for more info.
http://www.vimeo.com/1251504
for nice clean vimeo video.
A Max patch is running in the background, translating between the padKontrol and Ableton, and controlling the pK's native mode.
This video demonstrates the uses of the autohotkey script which runs alongside the patch. This allows a lot of key shortcuts in Ableton to be controlled from the pK