The limitation of this Charter upon the power of Council to levy taxes shall not operate as a limitation upon the power of Council to levy taxes upon such other subjects and for such other purposes as may be lawful under the Constitution and laws of the State of Ohio. Neither shall the authority of Council to submit additional levies on property assessed and listed for taxation according to value to a vote of the people under the authority of the Constitution or laws of the State of Ohio be deemed impaired or abridged by reason of any provision of this Charter.