robbyrussell/oh-my-zsh — pull request #3083 by la-magra (2014-09-03 01:43:29+00:00)
Title: Edit due to pygmalion sending add-zsh-hook not found.

Recently while testing themes pygmalion sent me this error:
> prompt_setup_pygmalion:12: command not found: add-zsh-hook
Made a quick correction and checked the other themes.