Upgrade to rustc 0.13.0-nightly (222ae8b9b 2014-10-18 00:47:22 +0000)

- Need this working for html5ever.
Merge pull request #27 from Ygg01/master

Upgrade to rustc 0.13.0-nightly (222ae8b9b 2014-10-18 00:47:22 +0000)