title: Brew versions unknown command mavericks
body: <p>I´m having problems with the brew versions command, I´m trying to run </p>
  
  <pre><code>brew versions grails
  Error: Unknown command: versions
  
   which brew                               127 ↵
  /usr/local/bin/brew
  
  brew -v
  Homebrew 0.9.5
  </code></pre>