Warfre's Better Caves and Cliffs

There's an obsidian wall at y=0.

Bedrock is now at y=-128.

Caves generate for 128 blocks more.

World build limit is now 1024.

Geodes are slightly more common.

Mountains are taller and steeper.

Rivers and oceans are deeper and wider .

River's floor is now made up of mud and clay.

Dry rivers's floor is made up of packed mud, coarse dirt, dripstone, and gravel.

Oasis may generate in deserts.

Diamonds are more common in jungles.