anchor.diff:  import 'dart:math' as math;
   import 'package:crypto/crypto.dart' as crypto;
   import 'dart:core';
  +import 'package:json_object/json_object.dart';
   
   class oauth_twitter {
       String _oauth_consumer_key;   
  
positive.code:     request.headers.set('Authorization', authorization);
      request.headers.set('User-Agent', 'OAuth gem v0.4.4');
      request.headers.set('accept', '*/*');
  
      return request.close();
    })
    .then((HttpClientResponse response) {
      // Process the response.
  //    response.listen(print);
      response.transform(UTF8.decoder).listen(handleStream);
    });
  }
  
negative.code: }
  
  
  void handleStream(response) {
     var value = JSON.encode(response);  
     /* if response is decoded directly,
      * error "Unexpected end of string"
      * or error "Unexpected charaacter at [some_position]
      * is encountered
      */ 
     JsonObject data = new JsonObject.fromJsonString(value);
     print(data);
     // Cannot get values from data either :(
        
  }
  
  
  