SEC. 3. EFFECT OF THE CHARTER UPON EXISTING LAWS AND RIGHTS.
   The adoption of this Charter shall not affect any pre-existing rights of the City, or any right or liability or pending suit or prosecution, either on behalf of or against the City or any officer thereof, nor any franchise granted by the City, nor pending proceedings for the authorization of public improvements or the levy or assessments therefor. Except as a contrary intent appears herein, all acts of the Council of the City shall continue in effect until lawfully amended or repealed.