GetNextMatch returns the next match's share code.

NewCSGO creates a CS client from a steam client and registers the packet handler.

AppID describes the csgo app / steam id.

CS holds the steam client and whether the client is connected to the GameCoordinator.

GCReadyEvent is used to broadcast that the GC is ready.

MatchResponse contains information about the latest match.

HandlerMap is the map of message types to handler functions.