The provisions of this chapter, so far as they are the same
as those of ordinances in force immediately prior to the adoption
of this chapter, are intended as a continuation of such ordinances
and regulations and not as new enactments. The provisions of this
chapter shall not affect any act done or liability incurred, nor shall
they affect any suit or prosecution pending or to be instituted to
enforce any right or penalty or to punish any offense under any such
ordinances or regulations as aforesaid.