In addition to the above and foregoing powers, duties and responsibilities of the board of adjustment, and notwithstanding any of the provisions in regard thereto as herein provided, it shall have the powers as provided by the Acts of 1959, 56th Legislature, page 545, chapter 244, section 1, as 1,[1] the same being article 1011g, Vernon's Annotated Civil Code of the State of Texas, and such other powers and duties as may be prescribed by the legislature from time to time.