* added strict mode (client and server versions must be same, see MAGE_VERSION_MINOR_PATCH_MUST_BE_SAME);
* you must enable string mode after github code changes in serializeable classes (see #4459);
* added client-side version checks;
* added error message on wrong version disconnects.
This commit adds a client-side per-server ignore list.
* Whispers and talk from an ignored user is hidden
* Ignored users cannot join your tables
* Ignored users tables are hidden