import `errno`. fixes #16
Merge branch 'master' of https://github.com/dannyperson/whatbetter

Conflicts:
	transcode.py
added 64 bit ia32-libs note for neroAacEnc
Use the new JSON API instead of scraping.

* Closes #21
* Fixes #20
* Fixes #8
Merge branch 'master' of github.com:zacharydenton/whatbetter
Update README and remove old modules.
Use proper Python formatting.
Save cache after each release.
Allow user to specify supported formats.

* Closes #11
Use the What.CD file extension whitelist.
Rate limit API requests.
Set torrents as 24bit if incorrectly listed.
Use the standard HTML entity decoder.
Skip releases that lack an enclosing directory.
Case-insensitive file extension matching.
Add optional --threads parameter.
Refactor the transcode module.
Improve output and require Python 2.7.x.
Add support for multichannel files.
Add useful main() function to transcode module.