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 aistart="2017-07-24T16:32:15Z" />
  </query-continue>
  <query>
    <allimages>
      <img name="REPORT_MSC2_2017_TUD_G1.pdf" timestamp="2017-07-25T11:31:37Z" user="Erik" url="http://ip.hyperbody.nl/images/4/4f/REPORT_MSC2_2017_TUD_G1.pdf" descriptionurl="http://ip.hyperbody.nl/index.php/File:REPORT_MSC2_2017_TUD_G1.pdf" ns="6" title="File:REPORT MSC2 2017 TUD G1.pdf" />
      <img name="TUDG1_DSC_9470c.jpg" timestamp="2017-07-25T11:20:07Z" user="Erik" url="http://ip.hyperbody.nl/images/9/9a/TUDG1_DSC_9470c.jpg" descriptionurl="http://ip.hyperbody.nl/index.php/File:TUDG1_DSC_9470c.jpg" ns="6" title="File:TUDG1 DSC 9470c.jpg" />
      <img name="TUDG1_DSC_9454c.jpg" timestamp="2017-07-25T11:08:11Z" user="Erik" url="http://ip.hyperbody.nl/images/a/a8/TUDG1_DSC_9454c.jpg" descriptionurl="http://ip.hyperbody.nl/index.php/File:TUDG1_DSC_9454c.jpg" ns="6" title="File:TUDG1 DSC 9454c.jpg" />
      <img name="TUDG1_3banner_gr1_2.jpg" timestamp="2017-07-25T07:48:55Z" user="Erik" url="http://ip.hyperbody.nl/images/9/9c/TUDG1_3banner_gr1_2.jpg" descriptionurl="http://ip.hyperbody.nl/index.php/File:TUDG1_3banner_gr1_2.jpg" ns="6" title="File:TUDG1 3banner gr1 2.jpg" />
      <img name="TUDG1_2banner_gr1_2.jpg" timestamp="2017-07-25T07:46:31Z" user="Erik" url="http://ip.hyperbody.nl/images/5/5b/TUDG1_2banner_gr1_2.jpg" descriptionurl="http://ip.hyperbody.nl/index.php/File:TUDG1_2banner_gr1_2.jpg" ns="6" title="File:TUDG1 2banner gr1 2.jpg" />
      <img name="TUDG1_Prot_banner_copy.jpg" timestamp="2017-07-25T07:36:20Z" user="Erik" url="http://ip.hyperbody.nl/images/3/39/TUDG1_Prot_banner_copy.jpg" descriptionurl="http://ip.hyperbody.nl/index.php/File:TUDG1_Prot_banner_copy.jpg" ns="6" title="File:TUDG1 Prot banner copy.jpg" />
      <img name="TUDG1_Micro_banner_copy.jpg" timestamp="2017-07-25T07:25:59Z" user="Erik" url="http://ip.hyperbody.nl/images/b/b5/TUDG1_Micro_banner_copy.jpg" descriptionurl="http://ip.hyperbody.nl/index.php/File:TUDG1_Micro_banner_copy.jpg" ns="6" title="File:TUDG1 Micro banner copy.jpg" />
      <img name="TUDG1REPORT_MSC225.jpg" timestamp="2017-07-24T16:33:14Z" user="Erik" url="http://ip.hyperbody.nl/images/a/aa/TUDG1REPORT_MSC225.jpg" descriptionurl="http://ip.hyperbody.nl/index.php/File:TUDG1REPORT_MSC225.jpg" ns="6" title="File:TUDG1REPORT MSC225.jpg" />
      <img name="TUDG1REPORT_MSC224.jpg" timestamp="2017-07-24T16:32:56Z" user="Erik" url="http://ip.hyperbody.nl/images/3/34/TUDG1REPORT_MSC224.jpg" descriptionurl="http://ip.hyperbody.nl/index.php/File:TUDG1REPORT_MSC224.jpg" ns="6" title="File:TUDG1REPORT MSC224.jpg" />
      <img name="TUDG1REPORT_MSC223.jpg" timestamp="2017-07-24T16:32:37Z" user="Erik" url="http://ip.hyperbody.nl/images/7/76/TUDG1REPORT_MSC223.jpg" descriptionurl="http://ip.hyperbody.nl/index.php/File:TUDG1REPORT_MSC223.jpg" ns="6" title="File:TUDG1REPORT MSC223.jpg" />
    </allimages>
  </query>
</api>