Implement some methods, add identifying info to NYI exception on others.
Implement some methods, add identifying info to NYI exception on others.

tinkerstudent/playn,longtaoge/playn,playn/playn,thecocce/playn-1,playn/playn,ruslansennov/playn2,playn/playn,rachelharvey/playn,longtaoge/playn,rachelharvey/playn,tinkerstudent/playn,ruslansennov/playn2,thecocce/playn-1