The provisions of this chapter, so far as they are the same as those of existing laws, are intended as a continuation of such laws and not as new enactments. Unless otherwise provided in this chapter, this chapter shall repeal any conflicting provision or provisions of any municipal act in conflict with this chapter. The repeal by this chapter of any Act of the General Assembly or any municipal corporation, or part thereof, shall not revive any Act, or part thereof, heretofore repealed or superseded. This chapter shall not affect any act done, liability or penalty incurred, right accrued or vested, or nomination made prior to the taking effect of this chapter; nor shall they affect any action or prosecution then pending or to be instituted, to enforce any right or penalty then accrued or to punish any offense theretofore committed.