title: Yowsup - old_version error
body: <p>i've got yowsup on my linux and when I trying to execute <code>yowsup-cli registration -C &lt;CountryCode&gt; -r sms -p &lt;Phone Number with Country Code&gt;</code>
  I'm getting </p>
  
  <pre><code>INFO:yowsup.common.http.warequest:{"status":"fail","reason":"old_version"}
  
  status: fail
  
  reason: old_version
  </code></pre>
  
  <p>Is there any way to fix this?</p>