2009-03-27 Graeme Gott <graeme@gottcode.org>
	* Tag version 1.2.0.
	* Add version number to saved game.

2009-03-26 Graeme Gott <graeme@gottcode.org>
	* Add previews for symmetry choices.
	* Add random choice for symmetry.
	* Generalize code for symmetry.

2009-03-25 Graeme Gott <graeme@gottcode.org>
	* Allow user to select type of puzzle symmetry.

2009-03-24 Graeme Gott <graeme@gottcode.org>
	* Improve board appearance.

2009-03-23 Graeme Gott <graeme@gottcode.org>
	* Allow user to select algorithm when starting a game.
	* Add slice and dice algorithm.

2009-03-22 Graeme Gott <graeme@gottcode.org>
	* Allow user to disable auto-switching modes.
	* Add widescreen layout.
	* Add icons for mode buttons.

2009-03-19 Graeme Gott <graeme@gottcode.org>
	* Speed up puzzle creation.
	* Move square widget code out of window class.

2009-02-27 Graeme Gott <graeme@gottcode.org>
	* Tag version 1.1.0.

2009-02-25 Graeme Gott <graeme@gottcode.org>
	* Selection follows mouse.
	* Add controls dialog to help menu.
	* Allow highlighting all occurances of a number.
	* Allow selecting number entry buttons by scrolling.

2009-02-22 Graeme Gott <graeme@gottcode.org>
	* Allow givens to be selected.
	* Store moves across runs.
	* Add ability to undo and redo moves.

2009-02-21 Graeme Gott <graeme@gottcode.org>
	* Store list of changes in each cell.

2009-02-20 Graeme Gott <graeme@gottcode.org>
	* Add number entry buttons in main window.

2009-01-18 Graeme Gott <graeme@gottcode.org>
	* Tag version 1.0.0.
	* Add program icon.

2009-01-17 Graeme Gott <graeme@gottcode.org>
	* Add mac and windows deploy scripts.
	* Maintain aspect ratio for board.

2009-01-16 Graeme Gott <graeme@gottcode.org>
	* Prevent user interaction with finished games.
	* Switch between modes using buttons in main window.
	* Allow user to see incorrect values.
	* Prompt user when starting a new game.

2009-01-15 Graeme Gott <graeme@gottcode.org>
	* Inform user when they have completed the puzzle.
	* Store current game across runs.
	* Allow user to choose seed value.
	* Add window class.

2009-01-14 Graeme Gott <graeme@gottcode.org>
	* Show conflicts in red.
	* Move between cells with arrow keys.
	* Add board class.
	* Add cell class.

2009-01-13 Graeme Gott <graeme@gottcode.org>
	* Add puzzle generator.
	* Add dancing links from Tetzle.
