title: ionic lib update command line not working
body: <p>i'm using :</p>
  
  <pre><code>$ionic lib update
  you sure you want to replace D:\Projects\cda-volunteer\www\lib\ionic with an updated version of Ionic? (yes/no): yes 
      Unable to receive version data
  </code></pre>
  
  <p>ionic info :</p>
  
  <pre><code>Cordova CLI: 6.4.0 
  Ionic CLI Version: 2.2.1 
  Ionic App Lib Version: 2.1.7 
  ios-deploy version: Not installed 
  ios-sim version: Not installed 
  OS: Windows 8.1 
  Node Version: v6.9.1 
  Xcode version: Not installed 
  </code></pre>
  
  <blockquote>
    <p>ionic --version : 
    2.2.1</p>
  </blockquote>
  
  <pre><code>ionic lib :
  Local Ionic version: 1.2.4
  </code></pre>
  
  <p>what should i do ?</p>