added gameover packet

player.go

@@ -8,13 +8,13 @@ import (
 type player struct {
 	ws          *websocket.Conn
 	Robots      []*Robot
-	send        chan *Boardstate
+	send        chan Message
 	Instruction Instruction
 }
 
 func (p *player) sender() {
 	for things := range p.send {
-		err := websocket.JSON.Send(p.ws, *things)
+		err := websocket.JSON.Send(p.ws, things)
 		if err != nil {
 			break
 		}