Adding New OP: List16 

I took the List8 OP and made the necessary changes to double it's capacity. I have used it successfully in a few scenes as well as monome.org forum user c1t1zen. The only "weirdness" I have noticed is one of the list values being initially set to -3 instead of 0 like I would expect.

http://monome.org/community/discussion/17448/aleph-dev-hacking-ops#Item_16