The Minor League Baseball Stadium Funding Act shall be deemed to provide an additional and alternative method for obtaining funding for a minor league baseball stadium, establishing the stadium surcharge and completing the acts authorized thereby and shall be regarded as supplemental and additional to powers conferred by other laws of the state, without reference to such other laws of the state, and shall constitute full authority for the exercise of powers granted herein, including but not limited to the pledging of stadium surcharge receipts and gross receipts tax revenues by the governing body to make loan payments to the authority.