title: Signup/Register user using quickblox?
body: <p>I am using arabic text to signup on quickblox</p>
  
  <pre><code>http://api.quickblox.com/users
  </code></pre>
  
  <p>But i am receiving this error in iOS XCode</p>
  
  <pre><code>"errors":{"login":["should contain alphanumeric and punctuation characters only"],"password":["should contain alphanumeric and punctuation characters only"]}}
  </code></pre>
  
  <p>Is it possible to signup using credentials in arabic? i.e. login &amp; password in arabic</p>