The City shall have all powers of local self-government now and hereafter granted to municipalities by the Constitution of the State of Ohio and such further powers as are now or hereafter may be granted by the laws of the State of Ohio. All such powers shall be exercised in the manner prescribed in this Charter or, if not prescribed herein, in such lawful manner as the Council shall determine by ordinance or resolution. Enumeration of or reference to particular powers in this Charter shall not be construed to be exclusive.