wallpaper - command-line tool to set wallpaper using feh

usage:
wallpaper [command] [args]

commands:
add [args]
	Add a favorite or a directory
	--favorite/-f 'index' 	- add a favorite, 'index' corresponds to the recent list
	--dir/-d 'path'		- add a directory, 'path' is the absolute path to the directory that should be added

list [args]
	List wallpapers, indexbering corresponds to set/clear commands (read below)
	--all/-a 		- lists all available wallpapers
	--recent/-r		- lists recent wallpapers
	--favorite/-f		- lists favorite wallpapers
	--dir/-d		- list directories currently added

set [args]
	Set a wallpaper
	no args - equivalent to `wallpaper set --random`
	--random		- set a random wallpaper from a directory supplied
	--favorite/-f 'index' 	- set favorite number 'index' (see list), if index is ommited, it choses a random wallpaper from favorites
	--recent/-r 'index' 	- set recent number 'index'

clear [args]
	--favorite/-f 'index'	- clear favorite number 'index', without 'index' it clears all of them
	--recent/-r		- clears all recent
	--dir/-d 'index'	..