§ 220. Construction. This chapter shall be construed liberally to effectuate the purposes hereof, and the enumeration of specific powers in this chapter shall not operate to restrict the meaning of any general grant of power contained in this chapter or to exclude other powers comprehended in such general grant. In construing this chapter consideration shall be given to its purpose and intent, among others, to empower an authority to do any and all things necessary to secure the financial aid of the United States Housing Authority and the state of New York, or any department, agency or instrumentality of the federal or state government, in the undertaking, planning, construction, maintenance and operation of any project.