Make sure model hierarchy is determined when needed and actually nullify reverse relations when model is destroyed#456

Open

DouweM wants to merge 2 commits intoPaulUithol:masterfrom DouweM:fixes

+30-10

Commits on Oct 8, 2014

#setup needs to be called on subclasses of models as well.
DouweM
committed
Make sure model hierarchy is determined when needed and actually nullify reverse relations when model is destroyed.
DouweM
committed