Version 0.5

* Added portrait mode

Version 0.4

* Interface change.

Version 0.3

* Added "Add numbers" button to easily add dices based on number ranges.

Version 0.2

* Added "Duplicate" button to clone an existing dice.
* Improved area fill algorithm to assure that the dices are completely
  shown but also are as big as possible.

Version 0.1

* Initial version.
