This realease is maintenence release with a lot of small changes.

1. Updated xml module to return unread chats list also
2. More events for NodeJs extension
3. Changed autoload mechanism to be compatible with third party autoloads. Replace index.php file
4. XML module was missing some callbacks which are present in web interface
5. A lot of small updates to be compatible with newest NodeJs extension version.
6. Enhancement https://github.com/LiveHelperChat/livehelperchat/issues/511
7. If user navigated to another page sometimes user was shown as offline, even if user was online.
8. Not required interface sync was removed in popup window.
9. Cache for emoji icons https://github.com/LiveHelperChat/livehelperchat/issues/503
10. Sound for unread messages will be played https://github.com/LiveHelperChat/livehelperchat/issues/505

There is no database update in this release.