Changes since tag v1.6-beta2

commit 155b9188229df36148b51fd658b6e26db4f61d7f
Author: Ethan Centaurai <ethancentaurai@outlook.com>
Date:   Fri Jun 21 19:24:48 2019 +0100

    Remove unused code.
    
    WorldMapButton and WorldMapTooltip no longer exist.

