It is the intent of §§ 10-3-217 and 10-3-218 to supplement the existing laws of this state governing the powers, functions, and duties of the interim committees of the General Assembly. Nothing in those sections is intended to modify or repeal any of the existing laws governing the powers, functions, and duties of any of the interim committees of the General Assembly, including the Legislative Council and the Legislative Joint Auditing Committee, except to provide for separate interim committees of the House of Representatives and the Senate and to authorize comparable House and Senate committees to meet jointly during the interim if they choose to do so.