dont marshal uninitialized players

src/server/server.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"local/router"
+	"local/storage"
 	"log"
 	"net/http"
 	"strings"
@@ -109,6 +110,9 @@ func badRequest(w http.ResponseWriter, message string) {
 }
 
 func errHandler(w http.ResponseWriter, status int, message string) {
+	if message == storage.ErrNotFound.Error() {
+		status = http.StatusNotFound
+	}
 	w.WriteHeader(status)
 	json.NewEncoder(w).Encode(map[string]interface{}{
 		"status":     http.StatusText(status),