CHANGE LOG 0.3

- Now it supports 3d puzzles (totally new!!)
- Open gl (qtglwidget) engine
- 3d puzzles supported 3x3x3, 4x4x4, 5x5x5 (hard)
- Now it generates also simmetric puzzles
- You can choose puzzle's simmetry type (random, diagonal, central, 4-way, none)
- Fixed "Solve bug"
- Tracker can be hidden
- Rip function improved
- Support for 25x25 puzzles (625 numbers to place!)
- Faster
- Faster Checkpoint use: added shortcuts CTRL+A CTRL+E 

CHANGE LOG 0.2

- New Icon (by sheepzilla)
- Added click-and-write superscript mode (RMB then write number) (idea from dovidhalevi (David Baron) suggestion)
- Algorithm optimized
- All puzzles allows only 1 solution, in 0.1 Hardest lavel could have multiple ones.
- Timer function
- Highlight function (fast number place locator) PRESS SHIFT during gameplay TRY IT
- Font sizes fixed (idea from dovidhalevi (David Baron) suggestion)
- New colors
- Checkpoint stack(save & resume)
- Status bar with current selected number indicator and hints (idea from Isma (Ismael Asensio) suggestion)
- Now you can choose if you want computer to show red your errors during gameplay (idea from Isma (Ismael Asensio) suggestion)