There is created pursuant to the Court Improvement Act of 1984, Chapter 258, Laws of 1984, and RCW Chapter 3.50, as amended by the Court Improvement Act of 1984, a municipal court of the city of Cle Elum, which will be entitled “The Municipal Court of the City of Cle Elum,” which court shall have jurisdiction and exercise all powers authorized by RCW Chapter 3.50, as amended by the Court Improvement Act of 1984, Chapter 258, Laws of 1984, together with such other powers and jurisdictions as are generally conferred upon such a court in the state of Washington, either by common law or by express statute.