config defaults
	option log_level '4'
	option check_interval '300'

config folder
	option path '/.backups'
	option enabled '1'
	# one of 'min-free', 'max-size', 'max-files'
	option strategy 'min-free'
	option min_free_percent '25'
	# max backup dir size in kbytes
	option max_size '512'
	option max_files '1024'
