1.The history set is unnecessary
2.When the synset is a instance of another synset,this method cannot find the
path.eg.the four sense of "hero",and the synset is 11045106-n,it is a instance
of mathematician and inventor,but these could not be found by Link.hype,so
Link.inst shoud be considered.
Original issue reported on code.google.com by
jszjg1...@gmail.comon 2 Nov 2014 at 1:30