title: Rails, Prawn PDF Gem - undefined method `table' for
body: <p>Rails 4.1.1
  Ruby 2.1.2</p>
  
  <p>Gemfile : 
      gem 'prawn', '~> 2.0.0'</p>
  
  <p>I have PDF's working ok. I am now trying to add table in the pdf. But when i add table I get the following error...</p>
  
  <pre><code>undefined method `table' for XPDFClass
  </code></pre>
  
  <p>I tried adding...</p>
  
  <pre><code>require "prawn/table"
  </code></pre>
  
  <p>to the top of my file but then i get this error...</p>
  
  <pre><code>cannot load such file -- prawn/table
  </code></pre>
  
  <p>Any ideas where I might be going wrong? </p>