@Karsten
Bingo! And in French! :)
It's a little chaotic as process! :)

You right I will wait some times before all was on the road for make the reposity! :)
When I see that I am a little affraid! :) http://modelab.is/grasshopper-primer/

So for the effort try CTRL+SHIFT+CLICK on the Options' Button inside Moi UI ! (bottom middle right screen)