Every municipal corporation is hereby authorized by amendment of its charter in the manner prescribed in this subtitle or in any charter adopted hereunder, to provide for the issuance by such municipal corporation of bonds payable as to principal and interest solely from the revenues of one or more revenue-producing projects of such municipal corporation, which bonds shall not constitute an indebtedness of such municipal corporation to which its faith and credit or taxing power are pledged, and nothing contained in this subheading shall be construed as a limitation on the power of a municipal corporation so to make provision for the issuance of revenue bonds in its charter.