The only thing to check here is that I don't know how to get the configuration in program without building the host twice:

This looks great! I left some nitpicks, but after that I think it's ready to merge :)

Now it looks good (and pretty clean) I would say. Sorry for the big amount of commits here but it's a lot easier to change one thing by one commit to not forget anything...

This probably addressed #289 as well (Can be closed, too after merge).

Now it looks good (and pretty clean) I would say.

Yup this looks great. Thanks for the awesome contribution!

Sorry for the big amount of commits here but it's a lot easier to change one thing by one commit to not forget anything...

No worries, I squash commits when I merge changes, so feel free to do as many commits as you'd like.

No worries, I squash commits when I merge changes, so feel free to do as many commits as you'd like.

Haha ok :)