Message: implement MsgType constructor.
Message: implement MsgType constructor.

robotdotnet/ntcore,wpilibsuite/ntcore,wpilibsuite/ntcore,333fred/ntcore,robotdotnet/ntcore,333fred/ntcore,333fred/ntcore,robotdotnet/ntcore,wpilibsuite/ntcore,333fred/ntcore,wpilibsuite/ntcore,robotdotnet/ntcore