a0.4.0 Release Candidate 2 Changelogs

Additions:
- 

Changes:
- Changed the color of Cave Stone in the world map

Removals:
- 

Fixes:
- Fixed a bug where Flowers didn't have names in the inventory
- Fixed a bug where Flowers weren't appearing in any inventory tabs except "All"
- Fixed a bug where old worlds wouldn't migrate to the new world naming system properly