Sections 37-29-131 through 37-29-139, without reference to any other statute shall be deemed to be full and complete authority for the authorization, execution and delivery of lease agreements authorized hereunder and shall be construed as an additional and alternative method; and none of the present restrictions, requirements, conditions and limitations of law applicable to acquisition, construction and drawing of buildings or facilities shall apply to lease agreements under Sections 37-29-131 through 37-29-139, and no proceeding shall be required for the authorization, execution and delivery of such leases other than those required herein, and all powers necessary to be exercised in order to carry out the provisions of Sections 37-29-131 through 37-29-139, are hereby conferred.