(1)    Sections 66.1301 to 66.1329 shall be construed liberally to effectuate the purposes of urban redevelopment, and the enumeration of specific powers does not operate to restrict the meaning of any general grant of power contained in ss. 66.1301 to 66.1329 or to exclude other powers comprehended in the general grant.
   (2)   If ss. 66.1301 to 66.1329 are inconsistent with any other law, the provisions of these sections are controlling.
   (3)   The powers conferred by ss. 66.1301 to 66.1329 are in addition and supplemental to the powers conferred by any other law.