* Baseline world gen. Random.
* Work in progress - noise gen needs fixing.
* WIP
* WIP - redesign to use new world gen API
Work still to do - handle island deletion (may not be supported) and
test with multiple players. Clean up config.
* Bug fixes
Added better handling of aquatic elements. Avoid informing players of
revoked achievements if the score is zero. Added the mangrove boat
recipe to be ignored.
* Add default score of unknown recipes
* Fixed some biomes
* Now with correct math for repeating islands
* Java 17 workflow for Github
* Put back what was accidentally removed.
* Code cleanup. Remove debug.
* Double for int calcs
* More code cleanup and using new switch syntax
