diff --git a/client/client.go b/client/client.go
index 4281a28a..3b93f6fb 100644
--- a/client/client.go
+++ b/client/client.go
@@ -173,6 +173,34 @@ func (c *Client) Create(model interface{}) (uint, error) {
 	return uint(id), nil
 }
 
+func (c *Client) Update(model orm.IDer) (uint, error) {
+	var response renderer.JsonResponse
+	data, err := json.Marshal(model)
+	if err != nil {
+		return 0, err
+	}
+
+	resp, err := c.SendRequest("POST", fmt.Sprintf("/api/%s/%d/update?format=json", reflect.ModelNameLowerPlural(model), model.GetID()), data)
+	if err != nil {
+		return 0, err
+	}
+
+	if err := json.Unmarshal(resp, &response); err != nil {
+		return 0, err
+	}
+
+	if string(response.Error) != "" {
+		return 0, errors.New(string(response.Error))
+	}
+
+	id, err := strconv.Atoi(string(response.Result))
+	if err != nil {
+		return 0, err
+	}
+
+	return uint(id), nil
+}
+
 func (c *Client) Delete(model orm.IDer) (uint, error) {
 	var response renderer.JsonResponse
 	data, err := json.Marshal(model)
diff --git a/handlers/handlers.go b/handlers/handlers.go
index cb325191..df4228e1 100644
--- a/handlers/handlers.go
+++ b/handlers/handlers.go
@@ -297,19 +297,6 @@ func DefaultRecoverHandler(next http.Handler) http.Handler {
 	return http.HandlerFunc(fn)
 }
 
-// func (h *Handlers) setFlashMessage(w http.ResponseWriter, r *http.Request, key string) error {
-// 	session, err := h.CookieStore.Get(r, "flash-session")
-// 	if err != nil {
-// 		return err
-// 	}
-// 	session.AddFlash(i18n.FlashMessages[key][h.Config.Language])
-// 	err = session.Save(r, w)
-// 	if err != nil {
-// 		return err
-// 	}
-// 	return nil
-// }
-
 func (h *Handlers) hasPermission(r *http.Request, path string) bool {
 	claims := getClaims(r)
 	role := claims["role"].(string)
@@ -406,8 +393,9 @@ func respondWithError(h *Handlers, w http.ResponseWriter, r *http.Request, err e
 	if format == "" {
 		format = renderer.GetContentFormat(r)
 	}
+	panicMsg := fmt.Sprintf("PANIC: %v\n\n== STACKTRACE ==\n%s", err, debug.Stack())
 	if h.Config.LogLevel > config.LOG_LEVEL_OFF {
-		log.Println("Error:", err)
+		log.Println("Error:", panicMsg)
 	}
 	// FIXME: this call could be superflous when an error occurs
 	// in a template execution