private void Login()
        {
            UserInfo      userInfo      = ServiceTools.GetUserInfo();
            LoginResponse loginResponse = _client.Login(userInfo.Email, userInfo.Password.Sha1());

            if (!loginResponse.Success)
            {
                Message.PrintLine("Log in failed: {0}", ConsoleColor.Yellow, loginResponse.Message);
                return;
            }
        }
        public void SignUp()
        {
            UserInfo       info     = ServiceTools.GetUserInfo();
            SignUpResponse response = _client.SignUp(info.Email, info.Password);

            if (!response.Success)
            {
                OutLine(response.Message, ConsoleColor.Magenta);
            }
            else
            {
                Message.PrintLine("{0} signed up successfully", info.Email);
            }
        }