Put delete of game from controller in right place

Added some debugging

control.go

@@ -178,6 +178,7 @@ func (c *Controller) BW(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
+// StopGame is the only mechanism to decrease the number of running games in a Controller
 func (c *Controller) StopGame(w http.ResponseWriter, req *http.Request) {
 	key, err := c.getGameId(req.URL.Path)
 	if err != nil {
@@ -193,6 +194,7 @@ func (c *Controller) StopGame(w http.ResponseWriter, req *http.Request) {
 		return
 	}
 	g.kill <- true
+	delete(c.Games.M, key)
 	message := struct {
 		Ok      bool   `json:"ok"`
 		Message string `json:"message"`
@@ -203,6 +205,7 @@ func (c *Controller) StopGame(w http.ResponseWriter, req *http.Request) {
 	if err := json.NewEncoder(w).Encode(message); err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 	}
+	log.Printf("returning from StopGame")
 }
 
 func (c *Controller) KillServer(w http.ResponseWriter, req *http.Request) {