(1) The Uniform Residential Landlord and Tenant Act shall be liberally construed and applied to promote its underlying purposes and policies. (2) Underlying purposes and policies of the act are: (a) To simplify, clarify, modernize, and revise the law governing the rental of dwelling units and the rights and obligations of landlord and tenant; (b) To encourage landlord and tenant to maintain and improve the quality of housing; and (c) To make uniform the law among those states which enact it.