80% of porting to QT4 is complete. The scriptlaucher is missing in this version, so it's impossible to load a model.
It would be nice if somebody could check if that code would compile on windows. Theoretical it should be plattform independent (maybe some changes in lumina.pro are needet)
Also I've registered my project at sf.net, but it will take some time. When it's done, I should have add the missing scriptlauncher.