Mod:
	src/termcrate.c
		-add key-handling to updatePlayer(); add global variable
		declarations for array of Enemy structs and the Crate on-screen
		at any given time; add config() to initialize all starting
		variables, when called at the beginning of game().

	src/termcrate.h
		-modify header in accordance with functions added to/deleted
		from src/termcrate.c. Also, add macro definitions of actions
		with macros from keyboard.h.

		e.g. #define FIRE KEY_ENTER

Ref:
	src/termcrate.c
		-replaced gameLost() function with global int gameLost.