title: Carbon Date startOfDay give me endOfDay date
body: <pre><code>$dt = Carbon::now();
  dd($dt-&gt;startOfDay(), $dt-&gt;endOfDay());
  
  Carbon {#324 ▼
    +"date": "2017-05-15 23:59:59.000000"
    +"timezone_type": 3
    +"timezone": "Europe/Paris"
  }
  Carbon {#324 ▼
    +"date": "2017-05-15 23:59:59.000000"
    +"timezone_type": 3
    +"timezone": "Europe/Paris"
  }
  </code></pre>
  
  <p>First variable is the date and hour actually, dd() function is for display content of variables.</p>
  
  <p><strong>startOfDay()</strong> method give me the same thing of the <strong>endOfDay()</strong> method...</p>