anchor.diff:      Response response = new Response(request, onData, onError, onDone);
   
       //IMPORTANT: SEND CONTENT TYPE OF RETURN FIRST!!!
  -    response.header("Content-Type: text/plain; encoding=utf-8");
  +    response.header("Content-Type: text/html; encoding=utf-8");
   //    response.add(request.params.toString());
   
       var scriptPath = request.params["SCRIPT_FILENAME"];
  
positive.code: 
      //span the called script in extra isolate
      var isolateFuture = Isolate.spawnUri(
          file.uri, [request.stdin, JSON.encode(request.params)], response.stdout,
          onExit: exitPort.sendPort, onError: response.stderr, environment: request.params);
  
      isolateFuture.then((isolate) {
        isolates[request.requestId] = isolate;
  
negative.code: import 'package:logging/logging.dart';
  import 'package:stream_channel/stream_channel.dart';
  
  Logger _log = new Logger("dart_fpm.connection_handler");
  
  class ConnectionHandler {
    static List<Socket> sockets = [];
  