Tweak biome height limits, fix some biome bugs
treece2d572f68302d3f0ed6ba9bdf0364bf363bb95b
-rw-r--r-- 2896 API.md
-rw-r--r-- 2475 CONTRIBUTING.md
-rw-r--r-- 8699 GROUPS.md
-rw-r--r-- 26520 LICENSE.txt
-rw-r--r-- 3167 MISSING_ENGINE_FEATURES.md
-rw-r--r-- 11019 README.md
-rw-r--r-- 19 game.conf
drwxr-xr-x - menu
-rw-r--r-- 510 minetest.conf
drwxr-xr-x - mods
-rw-r--r-- 2645 settingtypes.txt
drwxr-xr-x - tools