title: python skpy search user not working
body: <p>i want to search username with skpy, my actual code is : </p>
  
  <pre><code>from skpy import Skype, SkypeContacts
  import skpy
  
  sk = Skype("username", "password") # connect to Skype
  
  
  print sk.search('test')
  </code></pre>
  
  <p>error:</p>
  
  <p>AttributeError: 'Skype' object has no attribute 'SkypeContacts'</p>
  
  <p>how i can search user with this library ?</p>