Nothing contained in this article shall be construed as a restriction or limitation upon any authority, power or right which any municipality may have in the absence hereof. This article shall be construed as cumulative and shall be in addition and supplemental to any power, authority or right conferred by any other law.
This article is remedial in nature and any power, authority or right hereby conferred shall be liberally construed, and to this end every municipality shall have the power, authority and right, in addition to those expressly conferred hereby, to do all things necessary or convenient in carrying out the purposes hereof.