driver.love/0055-load_from_iterator

load_from_iterator = function(f)
	local result = {}
	local i,line,drawing = 0, ''
	while true do
		local line = f()
		if line == nil then break end
		table.insert(result, line)
	end
	if #result == 0 then
		table.insert(result, '')
	end
	return result
end