The Oklahoma General Corporation Act may be amended or repealed at the pleasure of the Legislature, but any amendment or repeal shall not take away or impair any remedy available pursuant to the provisions of the Oklahoma General Corporation Act against any corporation or its officers for any liability which shall have been previously incurred. The Oklahoma General Corporation Act and any amendments thereto shall be a part of the charter or certificate of incorporation of every corporation except so far as the same are inapplicable and inappropriate to the objects of the corporation. The provisions of this section shall not affect or impair as to any corporation any rights protected or guaranteed by the Constitution of this state or of the United States.