Change in core.php
Add pagination.
Change style and add error message.
Add validation for name and slug.
Change error element.
Change style and add error message.
Remove rules message.
Added hr_parse_args() method for Merge user defined arguments into defaults array.
Change error element.
Added kses_normalize_entities() function from Kses vendor
Added parent::beforeFilter() method.
Remove star.
Change style.
Remove not used element.
Remove not used views.
Change style and add error message.
Remove not used views.
Remove not used styles.
Change selector and class.
Added tag_autocomplete() and widget() functions.