title: Woocommerce: get product variation title
body: <p>I'm writing a plugin and cannot get the correct variation title
  In Woocommerce the variation i use is called "unfolded laminated". but when i try to get the title of a variation i get: "Variation #781 of Chart"</p>
  
  <p>This is the code is use:</p>
  
  <pre><code>foreach ($order-&gt;get_items() as $item) {
      $product_variation_id = $item['variation_id'];
      if ($product_variation_id)
      {
          $product = new WC_Product($product_variation_id);
          $productname = get_item_variations($product_variation_id);
      }
      else
      { 
          $product = new WC_Product($item['product_id']);
          $productname = get_the_title($item['product_id']);
      } 
  }
  </code></pre>
  
  <p>How do i get the correct title?</p>