Hiding some more options
Renaming file to avoid potential future conflict with content export
Pretty print JSON if available
Clean up after yourself when you're done, geez
Whoops, little bug
Adding import options, cleaning up UI and UX
If there was an error on import, give the user a chance to try again

This might happen if e.g. the user didn't select any options to import.
Upping version and adding phpdoc to properties
Adding blacklists for security purposes
Prevent blacklisted options from even showing up, to avoid confusion