anchor.diff:  import 'dart:async';
   import 'package:clean_ajax/client.dart';
   import 'package:clean_ajax/client_backend.dart';
  +import 'package:crypto/crypto.dart';
  +
   
   // Don't run example_client.dart nor index.html instead run example_server.dart and go
   // in dartium to address 0.0.0.0:8080
  
positive.code:   }
  
  
    backend.listen().then((_) {
      backend.addDefaultHttpHeader('Access-Control-Allow-Origin','*');
      backend.addView(r'/resources', requestHandler.handleHttpRequest);
      backend.addStaticView(new RegExp(r'/.*'), '.');
  
negative.code:     new Future.value(request.args);
  
  void main() {
  
    MultiRequestHandler requestHandler = new MultiRequestHandler();
    requestHandler.registerDefaultHandler(simpleClientRequestHandler);
  
  