Finished

On February 19, 2014 the new version 5.2.1 is released. Download

Update: Version 4 and 5

Your current license will work with all 4.x and 5.x versions.
All existing 4.x customers will get 5.x free of charge. You can use the same license details.

Bug fixes

• Sheets » Split the selected range into multiple worksheets...
  Fixed a bug that was introduced in version 5.2 and caused the following option to not work correct: 'For every new value/group in column'.