The existing zoning ordinances covering zoning, including the maps heretofore adopted and made a part of said ordinances, are hereby superseded and amended to read as set forth herein; provided, however, that this title, including the map attached to the ordinance codified herein and on file in the county office, shall be deemed a continuation of previous ordinances and not a new enactment, insofar as the substance of revisions of previous ordinances is included in this title, whether in the same or indifferent language; and this title shall be so interpreted upon all questions of construction relating to tenure of officers and boards established by previous ordinances and to questions of conforming or nonconforming uses and buildings, and to questions as to the dates upon which such uses or buildings became conforming or nonconforming. (2004 Code § 10.02.050; amd. 2015 Code)