I already decided on what I will do:

I will publish my new client under the GNU GPL (which should be good enough for the GNU Foundation), give Credit to William W. Wong (which will really point out what important role he played in the development) and make the whole project a new client.

I am already changing the source quite a lot and it will be quite different from Furi once I have finished. What I really need is some more time. I will release the first source once I have ordered all the new packages and stripped the source of all unnecessary stuff. I will also include a small developers-doc which will explain what is to be done to compile the source.

But this will take at least a week, perhaps two.