2011.08.26, Version 0.5.5 (unstable)

* typed arrays, implementation from Plesk

* fix IP multicast on SunOS

* fix DNS lookup order: IPv4 first, IPv6 second (--use-uv only)

* remove support for UNIX datagram sockets (--use-uv only)

* UDP support for Windows (Bert Belder)

* #1572 improve tab completion for objects in the REPL (Nathan Rajlich)

* #1563 fix buffer overflow in child_process module (reported by Dean McNamee)

* #1546 fix performance regression in http module (reported by Brian Geffon)

* #1491 add PBKDF2 crypto support (Glen Low)

* #1447 remove deprecated http.cat() function (Mikeal Rogers)

* #1140 fix incorrect dispatch of vm.runInContext's filename argument
  (Antranig Basman)

* #1140 document vm.runInContext() and vm.createContext() (Antranig Basman)

* #1428 fix os.freemem() on 64 bits freebsd (Artem Zaytsev)

* #1164 make all DNS lookups async, fixes uncatchable exceptions
  (Koichi Kobayashi)

* fix incorrect ssl shutdown check (Tom Hughes)

* various cmake fixes (Tom Hughes)

* improved documentation (Koichi Kobayashi, Logan Smyth, Fedor Indutny,
  Mikeal Rogers, Maciej Małecki, Antranig Basman, Mickaël Delahaye)

* upgrade libuv to commit 835782a

* upgrade V8 to 3.5.8
