Check plugins and themes available version before update

Jean-Christian Paul Denis 06cc847af8 first draft		2022-12-02 11:18:09 +01:00
inc	first draft	2022-12-02 11:18:09 +01:00
_admin.php	first draft	2022-12-02 11:18:09 +01:00
_define.php	first draft	2022-12-02 11:18:09 +01:00
_prepend.php	first draft	2022-12-02 11:18:09 +01:00