* Implement keep-alive for http.Client (Mikeal Rogers)

* base64 fixes. (Ben Noordhuis)

* Fix --debug-brk (Danny Coates)

* Don't let path.normalize get above the root. (Isaac Schlueter)

* Allow signals to be used with process.on in addition to
  process.addListener. (Brian White)

* Globalize the Buffer object

* Use kqueue on recent macintosh builds

* Fix addrlen for unix_dgram sockets (Benjamin Kramer)

* Fix stats.isDirectory() and friends (Benjamin Kramer)

* Upgrade http-parser, V8 to 2.3.5