Section 4. Power of the City. The City shall have all powers which the constitutions, statutes and common law of the United States and of this state expressly or impliedly grant or allow municipalities, as fully as though this charter specifically enumerated each of those powers.

Section 5. Construction of Charter. The charter shall be liberally construed to the end that the City may have all powers necessary or convenient for the conduct of its municipal affairs, including all powers that cities may assume pursuant to the laws and to the municipal home rule provisions of the constitution of the state.