Next page
        Uses query object to fetch next slice of items unless on last page in
        which case does nothing

def next_page(self):
        """
        Next page
        Uses query object to fetch next slice of items unless on last page in
        which case does nothing
        """
        if self.is_last_page():
            return False

        self.page += 1
        self.items = self.fetch_items()
        return True