Update Attached Posts custom field for CMB2. Clean up JS. Revise readme file.
Move additional files into parent directory.
Remove duplicate files.
move it back up
handle caching differently
a bit more JS cleanup
update readme
Rename example file
update documentation to use an explicit require
update readme
Clean up. Don't use IDs if not necessary (field could be used more than once on a page), change ids in li's to data-id. Also, Don't require plugin to be in mu-plugins'
Fix hidden input appending
Replacing hyphens with underscores for field-type class