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 aicontinue="20151028031758|Setup_1.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="Singing_Tree.xlsx" timestamp="2016-02-22T21:52:58Z" user="Gmachado" url="http://www.nutcracker123.com/wk/images/8/81/Singing_Tree.xlsx" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:Singing_Tree.xlsx" ns="6" title="File:Singing Tree.xlsx" />
      <img name="Icicles_Layout.xlsx" timestamp="2016-02-22T21:47:13Z" user="Gmachado" url="http://www.nutcracker123.com/wk/images/6/67/Icicles_Layout.xlsx" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:Icicles_Layout.xlsx" ns="6" title="File:Icicles Layout.xlsx" />
      <img name="Chroma_flake_model.xlsx" timestamp="2016-02-22T21:40:36Z" user="Gmachado" url="http://www.nutcracker123.com/wk/images/7/79/Chroma_flake_model.xlsx" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:Chroma_flake_model.xlsx" ns="6" title="File:Chroma flake model.xlsx" />
      <img name="Boscoyo_Bulb.xlsx" timestamp="2016-02-12T03:07:21Z" user="Gmachado" url="http://www.nutcracker123.com/wk/images/c/c6/Boscoyo_Bulb.xlsx" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:Boscoyo_Bulb.xlsx" ns="6" title="File:Boscoyo Bulb.xlsx" />
      <img name="Monster_Faces.xlsx" timestamp="2016-02-12T02:51:15Z" user="Gmachado" url="http://www.nutcracker123.com/wk/images/8/8d/Monster_Faces.xlsx" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:Monster_Faces.xlsx" ns="6" title="File:Monster Faces.xlsx" />
      <img name="Singing_Tree_Model.xlsx" timestamp="2016-02-11T21:16:32Z" user="Gmachado" url="http://www.nutcracker123.com/wk/images/1/10/Singing_Tree_Model.xlsx" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:Singing_Tree_Model.xlsx" ns="6" title="File:Singing Tree Model.xlsx" />
      <img name="XLNC_Main_Page.png" timestamp="2016-01-26T22:29:21Z" user="Edmon" url="http://www.nutcracker123.com/wk/images/d/d4/XLNC_Main_Page.png" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:XLNC_Main_Page.png" ns="6" title="File:XLNC Main Page.png" />
      <img name="SingingFaces_11.png" timestamp="2015-10-28T23:06:09Z" user="Gmachado" url="http://www.nutcracker123.com/wk/images/8/88/SingingFaces_11.png" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:SingingFaces_11.png" ns="6" title="File:SingingFaces 11.png" />
      <img name="RenderAll1.png" timestamp="2015-10-28T05:42:27Z" user="Gmachado" url="http://www.nutcracker123.com/wk/images/d/d5/RenderAll1.png" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:RenderAll1.png" ns="6" title="File:RenderAll1.png" />
      <img name="Setup_7a.png" timestamp="2015-10-28T03:51:48Z" user="Gmachado" url="http://www.nutcracker123.com/wk/images/7/77/Setup_7a.png" descriptionurl="http://www.nutcracker123.com/wk/index.php/File:Setup_7a.png" ns="6" title="File:Setup 7a.png" />
    </allimages>
  </query>
</api>