Version 1.2.0, 07/05/2021
	Program icon updated.

Version 1.1.1, 12/18/2017
	Site management: delete multiple sites at a time

Version 1.1.0, 06/24/2017
	Added site management.

Version 1.0.5, 04/09/2017
	Fixed bug of multi-threading.

Version 1.0.4, 04/08/2017
	Fixed bug of connection with server for checking newer version.

Version 1.0.3, 03/11/2017
	Dialog title updated after successful connection.

Version 1.0.2, 03/05/2017
	The link "Download newer version" was replaced with "A new version is available. Go to the website and have a look."
	Clicking the link opens the webpage for this program instead of starts a download directly.

Version 1.0.1, 02/28/2017
	Fixed bugs.

Version 1.0.0, 07/17/2016
	Initial version.