v3.3.0

• 081da04 Merge branch 'master' into patch-1
• 3cd50bf Update README.md
• 0765b6c update igdb to api v4
• 582d4aa Completion of non-listed commands, and little typo check.
• c796e61 add jpg to gitignore
• 18a855a minor name change
• 8eaa3d8 Make dimensions adjustable
• 5370c2d Logos don't have dimension
• 9c8788d Adapt to new shortcut ids
• 171f6b1 Add humor and nsfw filter
• b307969 library moved
• c80e964 Futher improve game name matching
• 2ed9f4f forbid onlymissing and skipsteam
• 264ddd7 Improve name matching
• 83b2572 Option to only download missing Artwork
• cb81b59 statisfy golint