Adds a job run result to the history table.
        :param dict job: The job dictionary
        :returns: True

def add_result(self, job):
        """Adds a job run result to the history table.
        :param dict job: The job dictionary
        :returns: True
        """
        self.cur.execute(
            "INSERT INTO history VALUES(?,?,?,?)",
            (job["id"], job["description"], job["last-run"], job["last-run-result"]))

        return True