title: Data Table not sorting correctly
body: <p>I am using JQuery Data Table plugin, and I need to sort the table by first column, which is a Date object, but it does not sorting correctly. My table is render as shown below.</p>
  
  <p><img src="https://i.stack.imgur.com/EB5p6.png" alt="enter image description here"></p>
  
  <p>My JavaScript code:</p>
  
  <pre><code>var table = $(".dataTable").dataTable({
          "iDisplayLength": 15, 
          "oLanguage": {
              "sProcessing":   "Processando...",
              "sLengthMenu":   "Mostrar _MENU_ registros",
              "sZeroRecords":  "Não foram encontrados resultados",
              "sInfo":         "Mostrando de _START_ até _END_ de _TOTAL_ registros",
              "sInfoEmpty":    "Mostrando de 0 até 0 de 0 registros",
              "sInfoFiltered": "(filtrado de _MAX_ registros no total)",
              "sInfoPostFix":  "",
              "sSearch":       "Buscar:",
              "sUrl":          "",
              "oPaginate": {
                  "sFirst":    "Primeiro",
                  "sPrevious": "Anterior",
                  "sNext":     "Seguinte",
                  "sLast":     "Último"
              }
          },
          "sPaginationType": "full_numbers",
          "bLengthChange": true,
          "bFilter": true,
          "bInfo": false,
          "bPaginate": true
      });
  
  table.fnSort( [ [0,'desc'] ] );
  </code></pre>
  
  <p>Can anyone help me, please?</p>