May 2020 (Week 4)
+ Added popup previews in the texture browser
+ Fixed a duplication bug where I was iterating through a list that was being reallocated without acknowledging the memory changes
+ Global map properties getting saved and loaded, as well as tracked for undo/redo
+ Undo/Redo now work in every panel, not just the main viewport
+ Started a huge ongoing refactor of the models system while getting it to work with PhysFS