public UserService AddAdmin(IUser newAdmin)
        {
            RestParameters urlParameters = new RestParameters()
                                           .AddParameters(RestParametersKeys.Token, user.Token)
                                           .AddParameters(RestParametersKeys.Name, newAdmin.Name)
                                           .AddParameters(RestParametersKeys.Password, newAdmin.Password)
                                           .AddParameters(RestParametersKeys.Rights, ParamTrue);
            SimpleEntity simpleEntity = userResource
                                        .HttpPostAsObject(urlParameters, null, null);

            CheckService(!simpleEntity.Equals(true),
                         "Admin " + newAdmin.ToString() + "was not Added.");
            return(this);
        }