ilx_utils updated sorting to be alpha and depth, may still want to make it a real topo sort so that parents and children are next to each other
ilx_utils updated sorting to be alpha and depth, may still want to make it a real topo sort so that parents and children are next to each other

tgbugs/pyontutils,tgbugs/pyontutils,tgbugs/pyontutils,tgbugs/pyontutils