code: def login(self, username, password):
          
          d = self.send_command('login', keys={'client_login_name': username, 'client_login_password': password})
          if d == 0:
              self._log.info('Login Successful')
              return True
          return False
docs: Login to the TS3 Server
          @param username: Username
          @type username: str
          @param password: Password
          @type password: str