docs: def _getAuth(self):
          """
          Main step in authorizing with Reader.
          Sends request to Google ClientAuthMethod URL which returns an Auth token.
  
          Returns Auth token or raises IOError on error.
          """
          parameters = {
              'service'     : 'reader',
              'Email'       : self.username,
              'Passwd'      : self.password,
              'accountType' : 'GOOGLE'}
          req = requests.post(ClientAuthMethod.CLIENT_URL, data=parameters)
          if req.status_code != 200:
              raise IOError("Error getting the Auth token, have you entered a"
                      "correct username and password?")
          data = req.text
          #Strip newline and non token text.
          token_dict = dict(x.split('=') for x in data.split('\n') if x)
          return token_dict["Auth"]