Beta release for Symfony 5 and PHP 8.1

It works for me, but many features are untested and probably deprecated. I don't think everything can be fixed, but I'm not the person to decide what should be removed.

Compatibility fix

Small maintenance release to remove possible warning with token_get_all

Doctrine Inflector compatibility release

Prevent issues with Doctrine Inflector due to null string in ExcelBuilder

PHP7.2 compatibility release

v2.5.2

Updated sizeof usage to be fully compatible with php7.2 (#323)

Small bugfix release

Fix translations in boolean filters

Support for new PHPSpreadsheet

This release enables support for the new PHPSpreadsheet library, while keeping support for the older PHPExcel library.

Small type error fix

The scale option for NumericType doesn't accept empty strings since SF 2.7, so that has been corrected to null.

Small patches

• Fixed @return annotation in ActionsController
• Missing var added for variable declaration in scope

No longer translate filter form labels

v2.4.0

Prevent double translation in Filter form label by treating it the sa…

Fix for pregenerated UUIDs

v2.3.1

Fixed #312, UUID can be used for entity IDs, it is enough to check on…