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>
    <logevents lecontinue="20140421092208|171" />
  </query-continue>
  <query>
    <logevents>
      <item logid="181" ns="6" title="File:K1 092 754.bin.zip" pageid="51" logpage="0" type="upload" action="upload" user="WikiPhil" timestamp="2014-06-19T14:42:33Z" comment="k1-092 firmware 754" />
      <item logid="180" ns="6" title="File:K1 100 754.bin.zip" pageid="50" logpage="0" type="upload" action="upload" user="WikiPhil" timestamp="2014-06-19T14:41:52Z" comment="k1-100 + k1-101 firmware version 754" />
      <item logid="179" ns="0" title="Kwikwai home page" pageid="49" logpage="49" type="patrol" action="patrol" user="Wikwikwai admin" timestamp="2014-05-02T15:59:24Z" comment="">
        <patrol cur="423" prev="0" auto="1" />
      </item>
      <item logid="178" ns="8" title="MediaWiki:Kwikwai" pageid="48" logpage="48" type="patrol" action="patrol" user="Wikwikwai admin" timestamp="2014-05-02T15:47:44Z" comment="">
        <patrol cur="422" prev="421" auto="1" />
      </item>
      <item logid="177" ns="8" title="MediaWiki:Kwikwai" pageid="48" logpage="48" type="patrol" action="patrol" user="Wikwikwai admin" timestamp="2014-05-02T15:44:13Z" comment="">
        <patrol cur="421" prev="420" auto="1" />
      </item>
      <item logid="176" ns="8" title="MediaWiki:Kwikwai" pageid="48" logpage="48" type="patrol" action="patrol" user="Wikwikwai admin" timestamp="2014-05-02T15:41:58Z" comment="">
        <patrol cur="420" prev="0" auto="1" />
      </item>
      <item logid="175" ns="8" title="MediaWiki:Kwikwaipage" pageid="47" logpage="47" type="patrol" action="patrol" user="Wikwikwai admin" timestamp="2014-05-02T15:41:20Z" comment="">
        <patrol cur="419" prev="418" auto="1" />
      </item>
      <item logid="174" ns="8" title="MediaWiki:Kwikwaipage" pageid="47" logpage="47" type="patrol" action="patrol" user="Wikwikwai admin" timestamp="2014-05-02T15:38:06Z" comment="">
        <patrol cur="418" prev="0" auto="1" />
      </item>
      <item logid="173" ns="0" title="Main Page" pageid="1" logpage="1" type="patrol" action="patrol" user="Wikwikwai admin" timestamp="2014-05-02T13:04:56Z" comment="">
        <patrol cur="417" prev="412" auto="1" />
      </item>
      <item logid="172" ns="8" title="MediaWiki:Bootstrap-footer" pageid="46" logpage="46" type="patrol" action="patrol" user="Wikwikwai admin" timestamp="2014-04-21T09:22:33Z" comment="">
        <patrol cur="416" prev="0" auto="1" />
      </item>
    </logevents>
  </query>
</api>