title: Incompatible library version: nokogiri.bundle requires version 11.0.0 or later, but libxml2.2.dylib
body: <p>I'm getting this error when trying to run rspec in Hartl's tutorial. I googled the error, but it's never for the specific version and the fixes don't actually fix my problem.</p>
  
  <pre><code>/Users/Jimbo/.rvm/gems/ruby-2.0.0-p247/gems/nokogiri-1.6.0/lib/nokogiri.rb:28:in `require': dlopen(/Users/Jimbo/.rvm/gems/ruby-2.0.0-p247/gems/nokogiri-           1.6.0/lib/nokogiri/nokogiri.bundle, 9): Library not loaded:    /Users/Jimbo/.bundler/tmp/22862/gems/nokogiri-1.6.0/ports/i686-apple-   darwin11/libxml2/2.8.0/lib/libxml2.2.dylib (LoadError)
  Referenced from: /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247/gems/nokogiri-  1.6.0/lib/nokogiri/nokogiri.bundle
  Reason: Incompatible library version: nokogiri.bundle requires version 11.0.0 or later, but libxml2.2.dylib provides version 10.0.0 - /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247/gems/nokogiri-1.6.0/lib/nokogiri/nokogiri.bundle
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247/gems/nokogiri-1.6.0/lib/nokogiri.rb:28:in `&lt;top (required)&gt;'
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247/gems/capybara-2.1.0/lib/capybara.rb:2:in `require'
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247/gems/capybara-2.1.0/lib/capybara.rb:2:in `&lt;top (required)&gt;'
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `require'
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `block (2 levels) in require'
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `each'
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `block in require'
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `each'
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `require'
  from /Users/Jimbo/.rvm/gems/ruby-2.0.0-p247@global/gems/bundler-1.3.5/lib/bundler.rb:132:in `require'
  </code></pre>