title: IOS Swift Error parsing XML array using SwiftyXMLParser
body: <p>Hi I'm parsing xml response from server using <code>SwiftyXMLParser</code>. I'm can successfully parse single xml but have problem with array value. always got nil</p>
  
  <p>here is my sample xml</p>
  
  <pre><code>&lt;ItemTrackingDetailsResponse xmlns="http://singpost.com/paw/ns" xmlns:i="http://www.w3.org/2001/XMLSchema-instance"&gt;
      &lt;ItemsTrackingDetailList&gt;
          &lt;ItemTrackingDetail&gt;
              &lt;TrackingNumber&gt;SMT0000000628&lt;/TrackingNumber&gt;
              &lt;TrackingNumberFound&gt;true&lt;/TrackingNumberFound&gt;
              &lt;AlternativeTrackingNumber/&gt;
              &lt;TrackingNumberActive&gt;true&lt;/TrackingNumberActive&gt;
              &lt;PostingDate/&gt;
              &lt;InsuredValue/&gt;
              &lt;InsuredSDR/&gt;
              &lt;Weight/&gt;
              &lt;ExpressInd/&gt;
              &lt;ItemCategory/&gt;
              &lt;Content/&gt;
              &lt;PreadviceDate/&gt;
              &lt;ReceptacleID/&gt;
              &lt;OriginalCountry&gt;Singapore&lt;/OriginalCountry&gt;
              &lt;DestinationCountry&gt;Singapore&lt;/DestinationCountry&gt;
              &lt;ItemType&gt;Speedpost&lt;/ItemType&gt;
              &lt;DeliveryStatusDetails&gt;
                  &lt;DeliveryStatusDetail&gt;
                      &lt;StatusDescription&gt;Recovered item from POPStation for service recovery&lt;/StatusDescription&gt;
                      &lt;Location&gt;SPEEDPOST SERVICE CENTRE&lt;/Location&gt;
                      &lt;BeatNo/&gt;
                      &lt;Date&gt;2016-08-22T16:35:30&lt;/Date&gt;
                      &lt;AceDate&gt;20160822 163530&lt;/AceDate&gt;
                  &lt;/DeliveryStatusDetail&gt;
                  &lt;DeliveryStatusDetail&gt;
                      &lt;StatusDescription&gt;Delivered to POPStation&lt;/StatusDescription&gt;
                      &lt;Location&gt;POPStation@Yew Tee Square&lt;/Location&gt;
                      &lt;BeatNo/&gt;
                      &lt;Date&gt;2016-08-16T17:27:48&lt;/Date&gt;
                      &lt;AceDate&gt;20160816 172748&lt;/AceDate&gt;
                  &lt;/DeliveryStatusDetail&gt;
                  &lt;DeliveryStatusDetail&gt;
                      &lt;StatusDescription&gt;With Delivery Courier&lt;/StatusDescription&gt;
                      &lt;Location&gt;SPEEDPOST SERVICE CENTRE&lt;/Location&gt;
                      &lt;BeatNo/&gt;
                      &lt;Date&gt;2016-08-16T11:25:00&lt;/Date&gt;
                      &lt;AceDate&gt;20160816 112500&lt;/AceDate&gt;
                  &lt;/DeliveryStatusDetail&gt;
                  &lt;DeliveryStatusDetail&gt;
                      &lt;StatusDescription&gt;Received at Processing Facility&lt;/StatusDescription&gt;
                      &lt;Location&gt;SPEEDPOST SERVICE CENTRE&lt;/Location&gt;
                      &lt;BeatNo/&gt;
                      &lt;Date&gt;2016-08-16T10:28:07&lt;/Date&gt;
                      &lt;AceDate&gt;20160816 102807&lt;/AceDate&gt;
                  &lt;/DeliveryStatusDetail&gt;
                  &lt;DeliveryStatusDetail&gt;
                      &lt;StatusDescription&gt;Notification of shipment confirmation&lt;/StatusDescription&gt;
                      &lt;Location&gt;SPEEDPOST SERVICE CENTRE&lt;/Location&gt;
                      &lt;BeatNo/&gt;
                      &lt;Date&gt;2016-08-13T11:10:29&lt;/Date&gt;
                      &lt;AceDate&gt;20160813 111029&lt;/AceDate&gt;
                  &lt;/DeliveryStatusDetail&gt;
              &lt;/DeliveryStatusDetails&gt;
          &lt;/ItemTrackingDetail&gt;
      &lt;/ItemsTrackingDetailList&gt;
      &lt;Status&gt;
          &lt;ErrorCode&gt;0&lt;/ErrorCode&gt;
          &lt;ErrorDesc&gt;Success&lt;/ErrorDesc&gt;
      &lt;/Status&gt;
  &lt;/ItemTrackingDetailsResponse&gt;
  </code></pre>
  
  <p>I can get single item by</p>
  
  <pre><code>print(xml!["ItemTrackingDetailsResponse","ItemsTrackingDetailList","ItemTrackingDetail","ItemType"].text)
  </code></pre>
  
  <p>but for the array I can not get the detail. How to access array member? Any help is much appreciate. Thanks</p>
  
  <pre><code>    &lt;DeliveryStatusDetails&gt;
                      &lt;DeliveryStatusDetail&gt;
                          &lt;StatusDescription&gt;Recovered item from POPStation for service recovery&lt;/StatusDescription&gt;
                          &lt;Location&gt;SPEEDPOST SERVICE CENTRE&lt;/Location&gt;
                          &lt;BeatNo/&gt;
                          &lt;Date&gt;2016-08-22T16:35:30&lt;/Date&gt;
                          &lt;AceDate&gt;20160822 163530&lt;/AceDate&gt;
                      &lt;/DeliveryStatusDetail&gt;
                      &lt;DeliveryStatusDetail&gt;
                          &lt;StatusDescription&gt;Delivered to POPStation&lt;/StatusDescription&gt;
                          &lt;Location&gt;POPStation@Yew Tee Square&lt;/Location&gt;
                          &lt;BeatNo/&gt;
                          &lt;Date&gt;2016-08-16T17:27:48&lt;/Date&gt;
                          &lt;AceDate&gt;20160816 172748&lt;/AceDate&gt;
                      &lt;/DeliveryStatusDetail&gt;
                      &lt;DeliveryStatusDetail&gt;
                          &lt;StatusDescription&gt;With Delivery Courier&lt;/StatusDescription&gt;
                          &lt;Location&gt;SPEEDPOST SERVICE CENTRE&lt;/Location&gt;
                          &lt;BeatNo/&gt;
                          &lt;Date&gt;2016-08-16T11:25:00&lt;/Date&gt;
                          &lt;AceDate&gt;20160816 112500&lt;/AceDate&gt;
                      &lt;/DeliveryStatusDetail&gt;
                      &lt;DeliveryStatusDetail&gt;
                          &lt;StatusDescription&gt;Received at Processing Facility&lt;/StatusDescription&gt;
                          &lt;Location&gt;SPEEDPOST SERVICE CENTRE&lt;/Location&gt;
                          &lt;BeatNo/&gt;
                          &lt;Date&gt;2016-08-16T10:28:07&lt;/Date&gt;
                          &lt;AceDate&gt;20160816 102807&lt;/AceDate&gt;
                      &lt;/DeliveryStatusDetail&gt;
                      &lt;DeliveryStatusDetail&gt;
                          &lt;StatusDescription&gt;Notification of shipment confirmation&lt;/StatusDescription&gt;
                          &lt;Location&gt;SPEEDPOST SERVICE CENTRE&lt;/Location&gt;
                          &lt;BeatNo/&gt;
                          &lt;Date&gt;2016-08-13T11:10:29&lt;/Date&gt;
                          &lt;AceDate&gt;20160813 111029&lt;/AceDate&gt;
                      &lt;/DeliveryStatusDetail&gt;
  &lt;/DeliveryStatusDetails&gt;
  </code></pre>