Took the send method out of the Message class as it didnt make sense to have it there. This meant taking it out of all subclasses too
tags: #story[1055] pair[wmu16, zyt10]
- Heartbeat messages are sent out from their own thread to each player
- If a heartbeat message can't be sent to a player, they are removed from the list of players
- Added equals method for players
Tags: #story[1047]