title: will_paginate renders blank result
body: <p>I have installed the last version of will_paginate, and I am trying to use it at my view like this:</p>
  
  <pre><code>@courses = Course.paginate(:page =&gt; params[:page])
  will_paginate @courses
  </code></pre>
  
  <p>but, I get nothing in the view! any idea ??</p>
  
  <p>the following conditions are met:</p>
  
  <pre><code>&gt;&gt; defined? WillPaginate
  &gt;&gt; ActiveRecord::Base.respond_to? :paginate
  </code></pre>
  
  <p>is there something I am missing ??</p>