This chapter as amended repeals all prior zoning ordinances. Any and all other ordinances or parts thereof in conflict or inconsistent with any of the terms of this chapter are hereby also repealed to such extent as they are so in conflict or inconsistent. However, the adoption of these amendments to this chapter shall not prevent or bar the continuance or institution of any proceedings for offenses heretofore committed in violation of any existing ordinances of the Borough of Hopewell.