2011.09.30, Version 0.5.8 (unstable)

* zlib bindings (isaacs)

* Windows supports TTY ANSI escape codes (Bert Belder)

* Debugger improvements (Fedor Indutny)

* crypto: look up SSL errors with ERR_print_errors() (Ben Noordhuis)

* dns callbacks go through MakeCallback now

* Raise an error when a malformed package.json file is found. (Ben Leslie)

* buffers: handle bad length argument in constructor (Ben Noordhuis)

* #1726, unref process.stdout

* Doc improvements (Ben Noordhuis, Fedor Indutny, koichik)

* Upgrade libuv to fe18438
