[doc minor] Update docs and code docs for v0.5.3 release

README.md

-# node-http-proxy - v0.5.0
+# node-http-proxy - v0.5.3
 
 <img src="http://i.imgur.com/8fTt9.png" />
 
@@ -49,6 +49,7 @@ In each of these scenarios node-http-proxy can handle any of these types of requ
 1. HTTP Requests (http://)
 2. HTTPS Requests (https://)
 3. WebSocket Requests (ws://)
+4. Secure WebSocket Requests (wss://)
 
 See the [examples][3] for more working sample code.
 

lib/node-http-proxy.js

@@ -32,9 +32,9 @@ var util = require('util'),
     maxSockets = 100;
 
 //
-// ### Version 0.5.0
+// ### Version 0.5.3 // 5/17/2011
 //
-exports.version = [0, 5, 0];
+exports.version = [0, 5, 3];
 
 //
 // ### function _getAgent (host, port, secure)