Unless the contrary intention clearly appears, expressions of “cancellation” or “rescission” of the contract or the like shall not be construed as a renunciation or discharge of any claim in damages for an antecedent breach. [C24, 27, 31, 35, 39, § 9990; C46, 50, 54, 58, 62, §554.62; C66, 71, 73, 75, 77, 79, 81, §554.2720 ]