How to use dossier
==================

    $ mkdir -p ~/collections/games
    $ dossier collections register ~/collections/games games
    $ dossier collections games
    $ dossier collections
    games *
    $ dossier supertux rate 5 multiplayer yes
    $ dossier nexuiz rate 9 mutpliplayer yes
    $ dossier minetest rate 10 multiplayer yes
    $ dossier opensonic rate 2
    $ dossier openmw multiplayer no rate 10 style rpg
    $ dossier search multiplayer
    supertux:yes
    nexuiz:yes
    minetest:yes
    openmw:no
    $ dossier search multiplayer no
    openmw
    $ dossier search !multiplayer no
    supertux
    nexuiz
    minetest
    $ dossier search multiplayer yes rate 5
    supertux
    $ dossier supertux rate 6
    $ dossier show
    supertux (2)
    nexuiz (2)
    minetest (2)
    openmw (3)
    opensonic (1)
    $ dossier show openmw
    openmw:
    	multiplayer: no
    	style: rpg
    	rate: 10
    $ dossier opensonic
    opensonic:
        rate: 2
    $ dossier opensonic rate 3
    $ dossier opensonic
    opensonic:
        rate: 3
