The Municipality shall have all powers, general and special, governmental or proprietary, of local self-government and home rule and all other powers that may now or hereafter lawfully be possessed or exercised by municipal corporations under the Constitution and laws of the State of Ohio. All such powers shall be exercised in the manner prescribed by this Charter, or to the extent not prescribed herein, then in such manner as the Council may determine, and only when not prescribed in this Charter or determined by Council, such powers shall be exercised in such manner as may now or hereafter be provided by the laws of the State of Ohio.