The power of the Council to levy taxes shall be subject to the limitations thereon now or hereafter provided by the Constitution and general laws of the State of Ohio; and nothing contained in this Charter shall be construed as authorizing the levy of any taxes in excess of such limitations unless the same be submitted to a vote of the people; provided, however, that this provision shall not operate as a limitation upon the power of the Council to levy taxes upon such subjects and for such purposes as may be lawful under the Constitution and laws of the State of Ohio; nor shall the authority of the Council to submit additional levies and other taxes to a vote of the people pursuant to the Constitution and laws of the State of Ohio be deemed impaired or abridged by reason of any provision of this Charter.