Update win-release.yml

Group leader will be changed one minute after the previous group lead…

…er disconnected (if there is another group member online)

Fixed terrain ray selection code which did not correctly hit pages un…

…der certain conditions

Fixed terrain deformation not synching pages at the bottom / right edges

Items can now be bought from vendors

Fixed potential event loop issue

Updated client ref

Updated client module ref

Added missing KEEPME files to fix git issues with empty directories w…

…hich are obviously not stored in any way as git does not support such things

Character spells are loaded from the database and sent over to the wo…

…rld server on character spawn and also to the client after spawning