Adds a BoardLoader class
Passes StatsRepository instance to FinderFactory using di
Adds test to assert CellCollection implements Iterator correctly
Run tests on 4,5 & 6, test dev branch
Merge branch 'master' into refactor/remove-game
Removes unused class uses
Use Board not Game
Updates Game to use Board CellCollection
Removes Game from CellOptions
Removes Game from GameStats. Next rename GameStats?
Updates Strategy Test to use Board not Game
Adds StrategyInterface
Pass  to CellOptions
Replaces getValidGameData with getValidBoardData
Replaces Game with Board
Removes Game class
Removes Game class test
Completes Game removal