demag_gui.py: made sorting function quick to fix the ordering of the specimen data to something more logical
demag_gui.py: made sorting function quick to fix the ordering of the specimen data to something more logical

Caoimhinmg/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy,lfairchild/PmagPy,lfairchild/PmagPy,Caoimhinmg/PmagPy