david/rustpan: Cargo cleaner @ a0fefec934679a758300578c9d06f58082e28a82

david a0fefec934 Use tempfile crate		2 mesi fa
..
lib.rs	a0fefec934 Use tempfile crate	2 mesi fa
main.rs	cd46e4184e Refactored to support testing	2 mesi fa