2011.08.01, Version 0.5.3 (unstable)

* Fix crypto encryption/decryption with Base64. (SAWADA Tadashi)

* #243 Add an optional length argument to Buffer.write() (koichik)

* #657 convert nonbuffer data to string in fs.writeFile/Sync
  (Daniel Pihlström)

* Add process.features, remove process.useUV (Ben Noordhuis)

* #324 Fix crypto hmac to accept binary keys + add test cases from rfc 2202
  and 4231 (Stefan Bühler)

* Add Socket::bytesRead, Socket::bytesWritten (Alexander Uvarov)

* #572 Don't print result of --eval in CLI (Ben Noordhuis)

* #1223 Fix http.ClientRequest crashes if end() was called twice (koichik)

* #1383 Emit 'close' after all connections have closed (Felix Geisendörfer)

* Add sprintf-like util.format() function (Ben Noordhuis)

* Add support for TLS SNI (Fedor Indutny)

* New http agent implementation. Off by default the command line flag
  --use-http2 will enable it. "make test-http2" will run the tests
	for the new implementation. (Mikeal Rogers)

* Revert AMD compatibility. (isaacs)

* Windows: improvements, child_process support.

* Remove pkg-config file.

* Fix startup time regressions.

* doc improvements