The powers of the county under this charter shall be liberally construed in favor of the county. Grants of specific powers shall not be construed as a limit on the general powers of the county. Reference to the state Constitution and laws in this charter shall be construed as a continuing reference to them as they may be amended from time to time. This charter and the ordinances enacted hereunder shall supersede special and general laws of the state of Washington which are inconsistent with the charter and ordinances to the extent permitted by the state Constitution.