Create or update the object.

        Args:
            key (str): The key of the object to create/update
            value (str): The value to set for the object
            **kwargs: Extra options to send to the server (e.g. sudo)

        Raises:
            GitlabAuthenticationError: If authentication is not correct
            GitlabSetError: If an error occured

        Returns:
            obj: The created/updated attribute

def set(self, key, value, **kwargs):
        """Create or update the object.

        Args:
            key (str): The key of the object to create/update
            value (str): The value to set for the object
            **kwargs: Extra options to send to the server (e.g. sudo)

        Raises:
            GitlabAuthenticationError: If authentication is not correct
            GitlabSetError: If an error occured

        Returns:
            obj: The created/updated attribute
        """
        path = '%s/%s' % (self.path, key.replace('/', '%2F'))
        data = {'value': value}
        server_data = self.gitlab.http_put(path, post_data=data, **kwargs)
        return self._obj_cls(self, server_data)