Ars Magica is a bit overpowered at the moment so I suppose thats for the best, it was more like a list of suggestions to consider.
I have no idea about who is licensed and who is not nor have I ever said I had knowledge of such. I simply thought each of those might add some interesting features and so I was curious why they were not in the new version of Tekkit. I should have clarified, my apologies.
Hostility is an odd thing to introduce into an otherwise light conversation, however.