It is the intention of the Legislature by the passage of this article to empower each incorporated city and town in the state to authorize the incorporation of one or more public corporations as political subdivisions of the state for the purpose of providing public hospital facilities, to invest each corporation organized under this article with all powers that may be necessary to enable it to accomplish such purposes, including the power to lease or operate its properties and to issue interest-bearing revenue bonds, and to grant to the municipality power to rent such public hospital facilities on a year-to-year basis and to pledge tax revenues to secure the rent payable therefor. This article shall be liberally construed in conformity with the said intent.