title: Retrieving data out of XML by key, clarification needed
body: <p>Given a string:</p>
  
  <pre><code>&lt;APP START="2014-08-25 13:45:58" SINCE="2014-08-25 13:45:58" STATE="Running" NAME="abc" ID="4305" Codebase="www.domain.com" Build-Revision="3d6ca1de3ce6d9832bc314356e54038bb8cab342" Build-Path="UNKNOWN" Build-Label="128.3" Build-Date="2014-08-16 20:03:34" Permissions="all-permissions"&gt;
  &lt;Runtime NUM_PROCESSORS="12" TOTAL_MEMORY="8588886016" MAX_MEMORY="8588886016" FREE_MEMORY="4902842840"/&gt;
  &lt;/APP&gt;
  </code></pre>
  
  <p>How can I request for the value of, say, <code>Build-Label</code>?</p>