title: Yowsup connection to whatsapp raise Disconnected because close exception
body: <p>I have installed the yowsub library (the latest version ) on my device ( Ubuntu 12.04 )</p>
  
  <p>also I have obtained the request code by running this command </p>
  
  <pre><code>$ ./yowsup-cli --requestcode sms --config yowsup-cli.config
  </code></pre>
  
  <p>and then I registered it successfully using this command </p>
  
  <pre><code>$ ./yowsup-cli --register {MY-CODE} --config yowsup-cli.config
  </code></pre>
  
  <p>after that I entered the returned password in the configuration file.</p>
  
  <p>but when I try to send messages by this command </p>
  
  <pre><code>$ ./yowsup-cli --send {Destination phone with it's country code} "Test message" --wait --config yowsup-cli.config
  </code></pre>
  
  <p>I have the following exception</p>
  
  <pre><code>Disconnected because close
  </code></pre>
  
  <p>I tried more than solution related to this issue but the result was the same exception.</p>