def get_cpgs
      begin
        @cpg.get_cpgs
      rescue => ex
        Util.log_exception(ex, caller_locations(1, 1)[0].label)
        raise ex
      end
    end
def get_cpgs
      begin
        @cpg.get_cpgs
      rescue => ex
        Util.log_exception(ex, caller_locations(1, 1)[0].label)
        raise ex
      end
    end
Gets entire list of CPGs.

 ==== Returns

 CPG array