The current pre-release of the client ("pioneer" in the version) is only compatible to itself. So you can only play with other testers. Please be aware!
@IndexLibrorum said:
Perhaps you can put the code on Github? Easier to review.
https://gist.github.com/cephalonlabel-commits/67460d85f23fbb7c1c39f3fd8c117996
think I did it.