code: public base_response login(String username, String password, Long timeout) throws Exception
  	{
  		this.set_credential(username, password);
  		this.set_timeout(timeout);
  		return this.login();
  	}
docs: Use this API to login into Netscaler.
  @param username Username
  @param password Password for the Netscaler.
  @param timeout timeout for netscaler session.Default is 1800secs
  @return status of the operation performed.
  @throws Exception nitro exception is thrown.