Create a new game turn for game.

Property definitions

bucketed_game $ GameTurn :: defaultinit
	# Create a new game turn for `game`.
	init(game: G)
	is
		is_old_style_init
	do
		_tick = game.tick
		_game = game
	end
lib/bucketed_game/bucketed_game.nit:173,2--180,4