Added JSONEncoder and JSONDecoder to stdlib/2.7/json.pyi (#332)
Added JSONEncoder and JSONDecoder to stdlib/2.7/json.pyi (#332)


tharvik/typeshed,tharvik/typeshed,fyquah95/typeshed,euresti/typeshed,fyquah95/typeshed,azag0/typeshed,li-dan/typeshed