title: Ruby gem already activated
body: <p>How can I de-activate the newer version of cucumber, or get this to work with the earlier version?</p>
  
  <pre><code>user$ rake features
  (in /Users/user/Project)
  /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby -I    "/Library/Ruby/Gems/1.8/gems/cucumber-0.6.1/lib:lib" "/Library/Ruby/Gems/1.8/gems/cucumber-   0.6.1/bin/cucumber" --format pretty
  can't activate cucumber (= 0.4.4, runtime) for [], already activated cucumber-0.6.1 for [] (Gem::LoadError)
  /Library/Ruby/Site/1.8/rubygems.rb:280:in `activate'
  </code></pre>