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locked change
Fixed basic GUI
Updated sudoku
Fixes
Added app back
Fixed display size influence
solve puzzle
Merge branch 'gui'

Conflicts:
	src/Solver.java
Merged gui in master branch
Merge branch 'master' into nakedtwin
improved gitignore
Merge branch 'gui'
gui added to master
Merge branch 'master' into nakedtwin
Naked twin strategy complete