gtk-sudoku-0.7.2
	- Fixed bugs involving player creation of sudokus and the toolbar
	- Added more games provided on http://www.krazydad.com/sudoku/
	- Customization now affects the menu items
gtk-sudoku-0.7.1
	- Players can create their own sudokus through GUI
	- Simplified customization through rc file
	- Added more games provided on http://www.krazydad.com/sudoku/
	- Added support for 32-bit Windows 2000/XP/Vista
gtk-sudoku-0.7.0
	- Completely rewritten speed-optimized generator for human-solvable games
	- Completely rewritten speed-optimized solver
	- Made saved file games of a small fixed size
		- 81 bytes for regular sudoku
		- 256 bytes for super sudoku
	- Added Easy games provided on http://www.krazydad.com/sudoku/
	- Fixed bug where user could change values after hitting solve/new
gtk-sudoku-0.6.1
	- Added default blue highlighting color
	- Added rc file read by gtk for user customization
	- Added ability to copy value of non-editable squares in order to
	  paste with right-click
	- Added ability to type lower-case valid input, such as a-f, for
	  super sudoku
gtk-sudoku-0.6.0
	- New button to generate new puzzles
	- Open button to view/edit puzzles
	- Save/Save As buttons
	- Verify button to check if user-provided input is correct thus far
	- Reset button to restart puzzle
	- Solve button
	- About button
	- Interface
		- left-click editable squares to bring focus to square
		- once focused, valid input can be entered through keyboard
		- input can be overwritten simply by entering more valid input
		- middle-click editable square to erase value
		- left-click editable square to copy value, then right-click
		  another editable square to paste that value
