You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information.
<?xml version="1.0"?>
    <allimages gaicontinue="20140411_mysql_figure6.png" />
      <page pageid="1124" ns="6" title="File:-DonationCycle.jpg" />
      <page pageid="1758" ns="6" title="File:100hr 10000 WER.png">
          <df name="WER.PNG" user="Cme247" timestamp="2014-04-21T18:37:28Z" />
      <page pageid="1759" ns="6" title="File:100hr 10000 xRT.png">
          <df name="XRT.PNG" user="Cme247" timestamp="2014-04-21T18:38:53Z" />
      <page pageid="3883" ns="6" title="File:145hours senones.png" />
      <page pageid="1106" ns="6" title="File:2007SISide.jpg" />
      <page pageid="1739" ns="6" title="File:20140411 mysql figure1.png" />
      <page pageid="1740" ns="6" title="File:20140411 mysql figure2.png" />
      <page pageid="1741" ns="6" title="File:20140411 mysql figure3.png" />
      <page pageid="1742" ns="6" title="File:20140411 mysql figure4.png" />
      <page pageid="1743" ns="6" title="File:20140411 mysql figure5.png" />