The municipality shall have all the powers, general or special, governmental or proprietary, that may now or hereafter lawfully be possessed or exercised by municipal corporations under the Constitution and general laws of the State of Ohio. The powers of this municipality shall be exercised in the manner prescribed in this Charter, or, to the extent that the manner is not prescribed herein, in such manner as the Council may determine. The powers of the municipality may also be exercised, except as a contrary intent or implication in this Charter or in the enactments of the Council, in such manner as may now or hereafter be provided by the general laws of the State of Ohio.