chr0n1x/composer — pull request #1 by chr0n1x (2013-12-21 08:08:47+00:00)
Title: SelfUpdateCommand: --rollback

Hopefully resolves https://github.com/composer/composer/issues/2371

**Progress Log**:
- Dec. 21st 2013: have to actually test. Just writing code. It's 3am...late-night coding sessions are scary.