(a) This chapter shall be construed liberally.
(b) All acts and activities of an authority performed pursuant to the powers of this chapter are determined and declared by the General Assembly to be essential governmental functions. In this regard, it is determined and declared that this chapter is the sole authority necessary for the performance of the acts authorized in this chapter including, without limitation, the issuance of bonds. Specifically, it shall not be necessary for the city involved to take any action with reference to any matters concerning which authority is conferred upon an authority including, without limitation, the issuance of revenue bonds. To this end, there is conferred upon authorities created pursuant to the provisions of this chapter the power to take action and do or cause to be done anything necessary or desirable to accomplish and implement the purposes and intent of this chapter according to the import hereof with the action taken by an authority or the things done or caused to be done by an authority pursuant to the provisions of this section being determined and declared to be ministerial rather than legislative in nature.