Added Life Persistence & fixed some menu rendering issues
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main.h
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- Added an instance of Loadables to replace unsigned int level

characters.h
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- Modified Pacman constructor to work with functions updated for persistent life

game.h
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- Modified functions to work with functions updated for persistent life

gameStage.h
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- Modified functions to work with functions updated for persistent life
- Fixed deleteMenu() rendering issues

saves.h
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- Added a Loadables struct to store data that can be modified by save files
- Modified functions to work with functions updated for persistent life

scorePoints.h
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- Added a global g_LIVES_PER_WIN to control how much lives to give to the player per win