rewrite of the stats system

control.go

@@ -129,9 +129,9 @@ func gameStats(w http.ResponseWriter, req *http.Request) {
 		http.Error(w, string(b), http.StatusNotFound)
 		return
 	}
-	g.winners.RLock()
-	defer g.winners.RUnlock()
-	if err := json.NewEncoder(w).Encode(g.winners.m); err != nil {
+	g.stats.RLock()
+	defer g.stats.RUnlock()
+	if err := json.NewEncoder(w).Encode(g.stats); err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 	}
 }