Second part of the actions refactor (including CommunicationActions.)
0.2.2.a1
First part of the Actions refactor (includes ComputationActions)
0.1.1.a1
Includes: - PyTorch 1.4 support - New types for msgpack serialization: jit.ScriptFunction, memory_format, CryptenInit, PlaceHolder - Protobuf schemas and Python/JS stubs for some PySyft messages and types