title: Literal converstion NSData to NSString
body: <p>I am new to iOS programming and i am trying to get a textual representation of an NSData object as a NSString</p>
  
  <p>For example if the NSData object is: </p>
  
  <pre><code>&lt;07010013 01020000 09000100 000199c2&gt;
  </code></pre>
  
  <p>I want to convert that to: </p>
  
  <pre><code>"070100130102000009000100000199c2"
  </code></pre>
  
  <p>How can I do that?</p>