anchor.diff:    lists:map(fun({Key, Val}) ->
       case Key of
         port -> {Key, misc_utils:to_integer(Val)};
  -      routing_param -> {Key, misc_utils:to_atom(Val)};
  +      routing_param -> {Key, misc_utils:to_integer(Val)};
         _ -> {Key, Val}
       end
     end, PropList).
  
positive.code: 
  find_by_name(Hostname) ->
    case find_all_by_name(Hostname) of
      [B|_] -> B;
      _ -> []
    end.
  
negative.code:   find_by_name/1,
    find_all_by_name/1,
    find_all_by_host/1,
    find_by_id/1,
    find_all_grouped_by_host/0,
    create/1,
    update/1,
  