Add res.client to ClientResponse

src/http.js

@@ -159,17 +159,19 @@ node.http.createServerRequest = function (connection) {
 // | 
 // v
 
-createClientResponse = function (connection) {
+createClientResponse = function (client) {
   var res = new node.EventEmitter;
 
-  res.connection = connection;
+  res.client = client;
+  res.connection = client;
+
   res.statusCode = null;
   res.httpVersion = null;
   res.headers = [];
   res.last_was_value = false;   // used internally XXX remove me
 
   res.setBodyEncoding = function (enc) {
-    connection.setEncoding(enc);
+    client.setEncoding(enc);
   };
 
   return res;

website/api.txt

@@ -861,6 +861,9 @@ After emitted no other events will be emitted on the response.
   Set the encoding for the response body. Either +"utf8"+ or +"raw"+.
   Defaults to raw.
 
++response.client+ ::
+  A reference to the +node.http.Client+ that this response belongs to.
+
 
 
 === TCP