§ 520. Construction. This article shall be construed liberally to effect the purposes hereof and the enumeration of specific powers in this act shall not operate to restrict the meaning of any general grant of power contained in this chapter or to exclude other powers comprehended in such general grant. In construing this chapter consideration shall be given to its purposes and intent, among others, of consolidating, clarifying and simplifying the respective provisions of the chapters repealed as hereinafter specified in section five hundred twenty-five hereof and of authorizing municipalities to undertake one or more programs of urban renewal with respect to the clearance, replanning, reconstruction, rehabilitation, redevelopment, conservation, restoration or improvement of substandard, insanitary, slum, blighted, deteriorated or deteriorating residential, non-residential, improved or vacant areas, or the remedying of unsuitable topographical, subsoil or other physical conditions which tend to impede the development of such areas, for residential, commercial, industrial, community, public and other uses and to apply for and accept federal or state loans, subsidies or grants in connection therewith. Insofar as the provisions of this article are inconsistent with the provisions of any other general, special or local law, the provisions of this article shall be controlling.