title: Pagination issue: `map' : undefined method 'existent'
body: <p>I just installed the <code>will_paginate, 3.0.7</code> and <code>bootstrap-will_paginate, 0.0.10</code> gem and when i call the following to get my articles paginated</p>
  
  <pre><code>def index
   @articles = Article.paginate(page: params[:page], per_page: 5)
  end
  </code></pre>
  
  <p>I get the following error upon attempting to launch the localhost server</p>
  
  <pre><code>/Users/Jack/.rvm/gems/ruby-2.3.1@global/gems/activesupport-5.0.0.1/lib/active_support/i18n_railtie.rb:45:in `map': undefined method `existent' for #&lt;String:0x007fd4a2bfa5d0&gt; (NoMethodError)
  Did you mean?  extend
  </code></pre>
  
  <p>What's going wrong?</p>