based bspline/gregory patch initialization on isRegularOrFinal(), subdiv4.xml now works correctly
based bspline/gregory patch initialization on isRegularOrFinal(), subdiv4.xml now works correctly

Sjoerdie/embree,Sjoerdie/embree,embree/embree,Sjoerdie/embree,embree/embree,embree/embree,Sjoerdie/embree,embree/embree