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="2014-06-27T07:56:29Z" />
  </query-continue>
  <query>
    <allimages>
      <img name="META_logo.jpg" timestamp="2016-03-23T10:06:53Z" user="Gary Chang" url="http://ipe.hyperbody.nl/images/a/ae/META_logo.jpg" descriptionurl="http://ipe.hyperbody.nl/index.php/File:META_logo.jpg" ns="6" title="File:META logo.jpg" />
      <img name="EU_flag.jpg" timestamp="2016-03-23T10:06:26Z" user="Gary Chang" url="http://ipe.hyperbody.nl/images/8/82/EU_flag.jpg" descriptionurl="http://ipe.hyperbody.nl/index.php/File:EU_flag.jpg" ns="6" title="File:EU flag.jpg" />
      <img name="Prototype_14.jpg" timestamp="2014-07-04T20:22:25Z" user="Eldin" url="http://ipe.hyperbody.nl/images/f/f4/Prototype_14.jpg" descriptionurl="http://ipe.hyperbody.nl/index.php/File:Prototype_14.jpg" ns="6" title="File:Prototype 14.jpg" />
      <img name="Prototype_13.jpg" timestamp="2014-07-04T20:22:17Z" user="Eldin" url="http://ipe.hyperbody.nl/images/c/c0/Prototype_13.jpg" descriptionurl="http://ipe.hyperbody.nl/index.php/File:Prototype_13.jpg" ns="6" title="File:Prototype 13.jpg" />
      <img name="Prototype_12.jpg" timestamp="2014-07-04T20:22:09Z" user="Eldin" url="http://ipe.hyperbody.nl/images/d/da/Prototype_12.jpg" descriptionurl="http://ipe.hyperbody.nl/index.php/File:Prototype_12.jpg" ns="6" title="File:Prototype 12.jpg" />
      <img name="Prototype_11.jpg" timestamp="2014-07-04T20:22:00Z" user="Eldin" url="http://ipe.hyperbody.nl/images/9/96/Prototype_11.jpg" descriptionurl="http://ipe.hyperbody.nl/index.php/File:Prototype_11.jpg" ns="6" title="File:Prototype 11.jpg" />
      <img name="Prototype_10.jpg" timestamp="2014-07-04T20:21:50Z" user="Eldin" url="http://ipe.hyperbody.nl/images/9/91/Prototype_10.jpg" descriptionurl="http://ipe.hyperbody.nl/index.php/File:Prototype_10.jpg" ns="6" title="File:Prototype 10.jpg" />
      <img name="Prototype_15.jpg" timestamp="2014-07-04T20:14:23Z" user="Eldin" url="http://ipe.hyperbody.nl/images/4/48/Prototype_15.jpg" descriptionurl="http://ipe.hyperbody.nl/index.php/File:Prototype_15.jpg" ns="6" title="File:Prototype 15.jpg" />
      <img name="STAKING_WIKI2_-30.png" timestamp="2014-06-27T07:58:35Z" user="Marco" url="http://ipe.hyperbody.nl/images/1/1d/STAKING_WIKI2_-30.png" descriptionurl="http://ipe.hyperbody.nl/index.php/File:STAKING_WIKI2_-30.png" ns="6" title="File:STAKING WIKI2 -30.png" />
      <img name="STAKING_WIKI2_-29.png" timestamp="2014-06-27T07:58:22Z" user="Marco" url="http://ipe.hyperbody.nl/images/8/87/STAKING_WIKI2_-29.png" descriptionurl="http://ipe.hyperbody.nl/index.php/File:STAKING_WIKI2_-29.png" ns="6" title="File:STAKING WIKI2 -29.png" />
    </allimages>
  </query>
</api>