In addition to the powers hereinabove or hereinafter enumerated, the City Council shall be vested with all powers of the City of Guthrie bestowed on the City of Guthrie by the Constitution of the State of Oklahoma, this Charter, and such powers as are vested upon statutory cities by the Statutes of the State of Oklahoma, as now exist or are hereinafter enacted, including, but not limited to, the determination of matters of policy; providing that where any provisions of the Charter shall be in conflict with any law or laws relating to Cities, the provisions of the Charter shall prevail.