public static async Task<Response> EditUser(User.PutUser user)
        {
            try
            {
                using (HttpClient client = new HttpClient())
                {
                    client.BaseAddress = new Uri(URL.BASE);

                    var newObject = JsonConvert.SerializeObject(user);

                    HttpResponseMessage result = await client.PutAsync(URL.USER_EDIT, new StringContent(newObject, Encoding.UTF8, "application/json"));
                    string json = await result.Content.ReadAsStringAsync();
                    Response data = JsonConvert.DeserializeObject<Response>(json);

                    return data;
                }
            }
            catch (JsonException jex)
            {
                return new Response() { Error = "Parse Error: " + jex.ToString(), Success = false };
            }
            catch (Exception ex)
            {
                return new Response() { Error = ex.Message.ToString(), Success = false };
            }
        }
        private void FriendRequest(User.All fromUser)
        {

            Messenger.Default.Send<Dialog>(new Dialog()
            {
                Message = fromUser.User.ToString() + " wilt u toevoegen als vriend",
                Ok = "Accept",
                Nok = "Ignore",
                Data = JsonConvert.SerializeObject(fromUser),
                ViewOk = typeof(ZoekVrienden),
                Cb = "friend_accepted",
                IsNotification = true
            });
        }