The City shall have the power to make and enforce all laws and regulations in respect to municipal affairs, subject only to such restrictions and limitations as may be provided in this Charter and in the constitution and laws of the State of California. It shall also have the power to exercise any and all rights, powers and privileges heretofore or hereafter established, granted or prescribed by any law of the State, by this Charter, or by other lawful authority, or which a municipal corporation might or could exercise under the Constitution and laws of the State of California. The enumeration in this Charter of any particular power shall not be held to be exclusive of or any limitation upon this general grant of power.