The powers granted in this subchapter shall not be construed in limitation, diminution, or in substitution for, but in addition to, power provided by law for municipalities generally in authorizing and incurring indebtedness for public improvements or otherwise, all of which general powers shall inure to and be exercisable by the City. (Amended 2013, No. M-19 (Adj. Sess.), § 2, eff. May 20, 2014.)