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"?>
<api>
  <query-continue>
    <allimages gaicontinue="VizionEck_PR_13.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="35" ns="6" title="File:VizionEck PR 1.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2014-07-11T05:17:10Z" user="Michael Armbrust" />
        </imageinfo>
      </page>
      <page pageid="39" ns="6" title="File:VizionEck PR 10.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2014-07-11T05:25:00Z" user="Michael Armbrust" />
        </imageinfo>
      </page>
      <page pageid="42" ns="6" title="File:VizionEck PR 11.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2014-07-11T05:32:26Z" user="Michael Armbrust" />
        </imageinfo>
      </page>
      <page pageid="46" ns="6" title="File:VizionEck PR 12.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2014-07-11T09:11:48Z" user="Michael Armbrust" />
        </imageinfo>
      </page>
    </pages>
  </query>
</api>