Update values in the current settings object without saving in stores::

            >>> from dynaconf import settings
            >>> print settings.NAME
            'Bruno'
            >>> settings.update({'NAME': 'John'}, other_value=1)
            >>> print settings.NAME
            'John'
            >>> print settings.OTHER_VALUE
            1

        :param data: Data to be updated
        :param loader_identifier: Only to be used by custom loaders
        :param tomlfy: Bool define if value is parsed by toml (defaults False)
        :param kwargs: extra values to update
        :return: None

def update(
        self,
        data=None,
        loader_identifier=None,
        tomlfy=False,
        is_secret=False,
        **kwargs
    ):
        """
        Update values in the current settings object without saving in stores::

            >>> from dynaconf import settings
            >>> print settings.NAME
            'Bruno'
            >>> settings.update({'NAME': 'John'}, other_value=1)
            >>> print settings.NAME
            'John'
            >>> print settings.OTHER_VALUE
            1

        :param data: Data to be updated
        :param loader_identifier: Only to be used by custom loaders
        :param tomlfy: Bool define if value is parsed by toml (defaults False)
        :param kwargs: extra values to update
        :return: None
        """
        data = data or {}
        data.update(kwargs)
        for key, value in data.items():
            self.set(
                key,
                value,
                loader_identifier=loader_identifier,
                tomlfy=tomlfy,
                is_secret=is_secret,
            )