title: DataTable bSortable columnDefs issue
body: <pre><code>$(document).ready(function () {
      var dt = $('#example').DataTable({
          "processing": true,
              "serverSide": true,
              "ajax": "api.php?t=clients",
              "aoColumnDefs": [{
              'bSortable': false,
                  'aTargets': [0]
          }],
              "columns": [{
              "className": "details-control",
                  "data": null,
                  "defaultContent": "   "
          }, {
              "data": "c_name"
          }, {
              "data": "c_number"
          }, {
              "data": "c_link"
          }]
      });
  });
  </code></pre>
  
  <p>My code throw an error of SQL access violation when I included the following with</p>
  
  <pre><code>"aoColumnDefs": [ 
      { 'bSortable': false, 'aTargets': [0] } 
  ]
  </code></pre>
  
  <p>But if i remove it, everything works fine, basically I just want disable sorting for column 0</p>
  
  <p>How do I achieve it.</p>
  
  <p>Thanks!!</p>