On popular request by popular people a list of tasks to-do: -Kill insecure usage of os.system either by properly escaping the strings or a faster replacement not involving /bin/sh -Introduce a -p option to automatically hotshot/profile the run -Cache dependencies separately and invalidate them when any file changed. -... DONE: � -On generating the inter package deps do not parse each file multiply � times. -We build the lists while parsing the data now � (WAS: Do not generate the world dependency tree, only when someone � requests it.