- fixed screen flicker
- fixed crash on screen minimize
- improved win detection

- implemented IsBoardSolved for Sudoku
- made TileInput virtual since Minesweeper does not use this
- added Minesweeper comments

Integraded theme shop button in main menu
Added buying themes functionality
Updated Settings menu to include only the unlocked themes

also setup for other parts of the shop

- improved minesweeper/sudoku text alignment
- changed minesweeper/maze description

doet fancy file read and write dingen
slaat settings and money op enzo
moet m nog laten werken met de settingsform enzo maar de basis is er

very cool

Sudoku Generator + Manual placement + Small settings fixes (Now all menu items change color correctly and the settings are accessible from a puzzleform)

Merge main menu and settings menu

added CreateUI(), UpdateUI(), couple adjustments to constructor method and members