Update README.md
Updates to the model and the admin interface.
Update README.md
Added as_cover boolean to images.
Update README.md
Python PyPi package.
Removed the as_cover field.
Source formatting.
Fix to the inline image admin class.
Code cleaning
Update README.md
Admin interface improvements.
Update README.md
Fixing manifest and paths.
Added some comments.
Models string fixing, documentation update.