title: Add column to Eloquent
body: <p>I'm trying to get an Eloquent collection with the next line:</p>
  
  <pre><code>Document::with('more_information')-&gt;anyScope()-&gt;get()
  </code></pre>
  
  <p>I'm getting a collection with 20 "<em>columns</em>", but I want to add another one to format a date in order to easily interact with other components instead of format the date in each component. </p>
  
  <p>To add this column I can rewrite the 21 column names and write more lines to get the collections that invoke with my <strong>with</strong>...but that doesn't look good...</p>
  
  <p>Is there a way to simply to add my 21st column without rewrite the other 20?</p>
  
  <p>I read something about addSelect, but in my code it ignores my 20 first columns</p>