(a) This chapter shall be liberally construed and applied to promote its underlying purposes and policies.
(b) Underlying purposes and policies of this chapter are:
(1) to simplify, clarify, modernize, and revise the law governing the rental of dwelling units and the rights and obligations of landlords and tenants;
(2) to encourage landlords and tenants to maintain and improve the quality of housing; and
(3) to make uniform the law with respect to the subject of this chapter among those states which enact it.
(c) This chapter shall be construed as applying only to the residential landlord and tenant relationship. The chapter does not create any duties in tort or causes of action in tort, nor does it deprive anyone of any causes of action in tort that may exist apart from this chapter.