* plugins: install, restore, deactivate all, uninstall, delete
* themes: delete
* languages: delete
* maintenance: lock gallery, purge history detail, purge history summary, purge search history and delete all sizes butto
* rates: delete user rates
* sites: remove a site
* updates: update all extensions
* users: delete
batch manager now confirms deletion of derivative like deletion of photos (no more alert popin)
theme manager: box styling like plugins, delete is in dropdown, with icon for activate and delete
easier exit out of the group list window via escp or right click outside, also added clearer message of whichi user is added when adding a user inside a group
* Redesign of album manager to correspond to the group manager
* Bug fix on move album : album can now be moved in first place
* Design fixes on album edit, especially on thumbnail
* Minor design fixes
* Change the appearance of the filter actions
* Minor design fixes
* (Global design) Add a new CSS class : buttonGradient and apply it on the button add photos on add photos page
* Add a dark mode to the tag manager
* Change design of the select number tag per page to correspond to the tag manager
* Small design fixes
* Clean and reorder css files
* Add a select dropdown to chose how many tag is displayed per page
* Add a message beside selection's buttons to apply selection to all tags
* Bug and design fixes
* Search function search now the begining of tags names
* "Select all" now select the searched tags
* Design fixes on select buttons and add tag form
* Bug fixes on actions involving more than 1000 tags
* Hide tags over 100 in Tag's manager
* Change the selection algorithm : now faster
* Change tag's manager header disposition
* Change filter design of Group Member manager and plugin to match with the tag's filter
* Hide Tag item when there are more than 5
* Change data format in Ajax calls
* Remove useless code in tag.php
* Remove pwg_token in pwg.tags.add
* Minor design fixes
* Create the new design of tag manager
* Replace all actions by ajax actions
* Add delete, rename, duplicate and merge tag's functions in the Piwigo API
* Modification of group manager to match both designs
* Statistic page is now more clean with 0 or 1 values (for new Piwigos)
* Rectification of a mistake in functions_mysqli.inc.php (replace 'groups' by 'rank')
* Number of years compared is a configuration variable (default 5)
* Months compared are the actual, the last and the actual month the last year (you can also visualize the average last 12 months)
* Statistic page totally redesign, replace by a single graphic which display for last hours, days, months and years
* Add Chart.js plugin for graphic representation
* Add Moment.js plugin for time operations
* Icon colour standardized with intro page in css
* Dark mode colour changes
* Load state changes on several actions (especially in delete popin)
* Rename group action is now effective if the name didn't change
* Implement new API function pwg.groups.merge
* Generalize the delete group function in admin/include/functions.php
* Implement merge action in Group Manager
* Add loading state on grouped delete in group manager
* Member manager's design fixes
* Implement the member research
* Visual fix for the "add member" form
* Use of the local storage to import all user (for the add member form)
* Change the feedback of add and remove members
* Add load state for the adding and removing users
* Synchronize member number displays
* Limit the number of members displayed
* Adding and removing members now works in the Member manager popup
* Implement an intelligent research input for adding users
* Add the plugin confirm.js
* Add a confirm popup for the group deletion
* Implement the "Set as group for new users" action for groups
* Move js to a separate file
* Rename and delete by selection functions are now operational
* Add error or information messages at actions
* Add different colors on group icons
* Fixes (selection panel...)
Louis