move

function forward(dirToGo)
	if dirToGo == "north" then
		y = y + 1
		if direction == "north" then
			turtle.forward()
		elseif direction == "south" then
			turtle.turnLeft()
			turtle.turnLeft()
			turtle.forward()
		elseif direction == "west" then
			turtle.turnRight()
			turtle.forward()
		elseif direction == "east" then
			turtle.turnLeft()
			turtle.forward()
		end
		direction = "north"
	elseif dirToGo == "east" then
		x = x + 1
		if direction == "north" then
			turtle.turnRight()
			turtle.forward()
		elseif direction == "west" then
			turtle.turnLeft()
			turtle.turnLeft()
			turtle.forward()
		elseif direction == "east" then
			turtle.forward()
		elseif direction == "south" then
			turtle.turnLeft()
			turtle.forward()
		end
		direction = "east"
	elseif dirToGo == "south" then
		y = y - 1
		if direction == "south" then
			turtle.forward()
		elseif direction == "north" then
			turtle.turnLeft()
			turtle.turnLeft()
			turtle.forward()
		elseif direction == "east" then
			turtle.turnRight()
			turtle.forward()
		elseif direction == "west" then
			turtle.turnLeft()
			turtle.forward()
		end
		direction = "south"
	elseif dirToGo == "west" then
		x = x - 1
		if direction == "west" then
			turtle.forward()
		elseif direction == "east" then
			turtle.turnLeft()
			turtle.turnLeft()
			turtle.forward()
		elseif direction == "south" then
			turtle.turnRight()
			turtle.forward()
		elseif direction == "north" then
			turtle.turnLeft()
			turtle.forward()
		end
		direction = "west"
	end
	fuel()
end