Fixed an issue with WordPress 3.7 or below that caused an undefined index with $wpdb->use_mysqli.
Tweaked the styling of the in-page tabs.
Removed a blank line.
- Added a custom date format example for the 'date' field type.
- Fixed an issue that the submit button had an email option in the date tab.
- Escaped tags and attributes.
- Fixed code formatting.
Added a change log item.
- Advanced the version number.
- Applied the changes to the minified version.