Mark PEP 3156 accepted
Add Resolution header
Add Gustavo Carneiro (Gambit Research) to the acknowledgments.
Accept PEP 428 (pathlib).
Add Resolution header to PEP 428 (pathlib).
Add a FRAME opcode for framing, and document Alexandre's new MEMOIZE opcode
EMPTY_FROZENSET is gone (Alexandre)
Mark accepted (Tim)
Remove question marks and explain __getnewargs_ex__