added Duals
added Duals

I think there were two missing duals, that is, Con 10-1-R 5 (Dual to Con 10-1-R 4), and Con 10-3-6 (Dual to Uberfano). I have hand-coded these guys in. Starting a new branch because I am unsure if it is going to throw off all the other data.
RachelLawrence/TenArcs,RachelLawrence/TenArcs,RachelLawrence/TenArcs