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>
    <alllinks galcontinue="Centos_6" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Briansnelson.com:Text of Creative Commons Attribution-ShareAlike 3.0 Unported License" missing="" />
      <page ns="0" title="Briansnelson.com:Text of the GNU Free Documentation License" missing="" />
      <page pageid="249" ns="0" title="Bash Script to Check Memory with Email Alert when Low" />
      <page pageid="250" ns="0" title="Bash Script to Check Site Code Status with Email Alert" />
      <page pageid="185" ns="0" title="Basic HTTP Authentication with Nginx" />
      <page pageid="188" ns="0" title="Basic Redis commands - Cheat Sheet" />
      <page pageid="137" ns="0" title="Batch jpeg Image Optimization" />
      <page pageid="148" ns="0" title="Benchmarking and Load Testing with Apache Bench(AB)" />
      <page pageid="147" ns="0" title="Benchmarking and Load Testing with Siege" />
      <page pageid="97" ns="0" title="Block Bots by User Agent String" />
    </pages>
  </query>
</api>