Diplomacy - Update https://github.com/diplomacy/diplomacy

Age	Commit message (Expand)	Author
2019-09-14	Renamed argument in channel methods from 'game_object' to 'game'	Philip Paquette
2019-09-14	Added ReadtheDocs documentation for the public API	Philip Paquette
2019-08-28	Fixed the 'Unknown request' race condition	Philip Paquette
2019-08-28	Make sure to clear all orders before setting a new game state.	notoraptor
2019-08-28	Client sends a 'UnknownToken' request when it receives a notification for an ...	notoraptor
2019-07-21	Logging DiplomacyException for _on_socket_message with additional details	Philip Paquette
2019-06-30	Not displaying 'Notification received' for every notification	Philip Paquette
2019-06-14	DAIDE - Added connection_handler and server	Satya Ortiz-Gagne
2019-04-18	Release v1.0.0 - Diplomacy Game Engine - AGPL v3+ License	Philip Paquette