xF2 Add-on [AL] Core Package 1.8.7

The update fixes an issue with licensing system disabling the add-on incorrectly. Please upgrade if you experience this problem.

The release implements minor changes related to tests used in the products. Please update if any of our products you are using requires this version.

The release implements minor changes in admin-facing page structures. Please update if any of our products you are using requires this version.

The release adds a new method for attachment duplication. Please update if any of your add-ons require this version.

The release fixes uninstallation of add-ons not removing tables created at installation.

The update is recommended for all users of our add-ons, who potentially may want to uninstall an add-on.

In case you have already uninstalled an add-on provided by us, you may want to verify that your DB does not contain unneeded tables left over from the add-on.

The release contains additional tools for the custom admin pages. Upgrade it if any of your add-ons requires this version.

Fix https://enxf.net/threads/al-core-package.1899/post-21772

The update fixes a PHP error reproduced in Link Checker add-on an related to license check in Link Checker.

The last release was missing some classes which are added now.

Pleas upgrade if you are getting any PHP errors regarding missing "AddonsLab" classes.

The update enhances the resolution of extended back to their original class name, which is required for our add-ons that support both XenForo 2.1.x and 2.2.x versions. Please install the update if you get PHP errors regarding a class not being found on the Current visitors page.