docs: def GET(self, func, data):
          """Send GET request to execute Ndrive API
  
          :param func: The function name you want to execute in Ndrive API.
          :param params: Parameter data for HTTP request.
  
          :returns: metadata when success or False when failed
          """
          if func not in ['getRegisterUserInfo']:
              s, message = self.checkAccount()
  
              if s is False:
                  return False, message
  
          url = nurls[func]
          r = self.session.get(url, params = data)
          r.encoding = 'utf-8'
  
          if self.debug:
              print r.text
  
          try:
              try:
                  metadata = json.loads(r.text)
              except:
                  metadata = json.loads(r.text[r.text.find('{'):-1])
  
              message = metadata['message']
              if message == 'success':
                  return True, metadata['resultvalue']
              else:
                  return False, message
          except:
              for e in sys.exc_info():
                  print e
              sys.exit(1)
              return False, "Error %s: Failed to send GET request" %func