Allow tu store content users directory outside web hierarchy

Fix /quux title

Enable interactive debugger

Simplify content valid extension code

Fix 8.1 issues when not logged in

Fix find language code

Fix PHP 8.1 deprecated for Message class

Restore API and actions endpoints

Move database abstraction layer to dedicated engine

Improve PHP 8.1 compatibility

Drop WDDX support for sessions

Read from environment when PHP doesn't populate $_ENV

Allow legacy directory structure

Improve presentation of PersoSelector

Refactor perso selector events

Cleanup Geo library includes

Allow background to cover all the screen

Switch CSS encoding to UTF-8

Analyze Engines folder in phpcs too

Hunt ternary operators

Adhere to PHP 7+ deprecations

Extract geo methods into hypership/geo library

Bump quality tools versions

Don't try to provide legacy no OpenID code anymore

Don't pass null value to count() in SmartLine

Fix PHP_SELF nginx issue for get current url fragments

Fix session login issue

Update tests to be compatible with PHPUnit 7

Allow strings to be parsed as numeric

Switch romanize plugin to Keruald implementation

[Clean] Fix chmod

[Smarty] Use library code from the master branch

[Smarty] Don't add current directory in scene rendering

Fix uninitialized array

[Clean] Improve code style for Smarty plugins

Revert "[Clean] Configure phpcs to ignore Smarty"

[Smarty] Switch from bundled library to Composer package

Avoid undefined constant to string conversion