checkextensions
===============
Reports files whose extension does not match the (detected) mime-type.

Options:
	-u:	update source directory
	-r:	rename files
	-n:	(with -r): show what would be done.

cleandestinations
=================
Checks destinations for possibly unwanted files (e.g. files not created by
AtOM).

Options:
	-r:	remove unwanted files.

missingtags
===========
Checks for files which don't have the specified tags set.

Options:
	-A:	Album artist
	-l:	Album
	-a:	Artist
	-c:	Composer
	-d:	Disc
	-g:	Genre
	-p:	Performer
	-t:	Title
	-n:	Track number
	-N:	Track total
	-y:	Year

	-u:	Update database first
	-D:	Debug