FIX bug with LiteralField for column content

This change allowed me to have a column with a CMSThumbnail in a LiteralField
Update package details.
Updated maintainers to hopefully take packagist ownership...
Drag handle icon is always visible
Merge pull request #72 from colymba/static-anchor-icon

Drag handle icon is always visible
Merge pull request #58 from sheadawson/patch-1

FIX bug with LiteralField for column content
Merge remote-tracking branch 'upstream/master'