Usage: 'ruterdrift <file>'
	* Type 'help' to get a list of commands and arguments.
	* Arguments are separated by space.
	* Text in quotes will be interpreted as one argument, even with spaces.
	* Boolean arguments are numbers, where 1 is true, 0 is false.

There are some files which are still reachable according to valgrind. All of
those are because I use the readline library; I free all strings after they're
read, and clear the history at the end, but there are still some reachable
bytes allocated by readline, which there's not really anything I can do about.