Made the autocomplete response faster.
- Changed the default string of the hint text of the autocomplete custom field type,
- Added the custom hint text of a autocomplete field in the demo plugin.
Tweaked the style of the pop-up list width.
Fixed an undefined index warning in the field definition array formatting method.
Applied the change to the minified version.
Fixed a bug that repeatable fields of page meta box fields were not saved properly. Fixes #72.
Applied the change to the minified version.