Update avatarquery.php

forgot to remove some old, not used code
Update avatarquery.php

Fixed hover on head images
Update README.md
Update avatarquery.php

added "$max" to define how many avatars should be displayed
Update avatarquery.php

forgot to delete this
Update avatarquery.php

whoops
Update avatarquery.php

default to unlimited
Merge pull request #12 from Markkus1337/pr/10

Patches by McLive