Worley's Caves

1.2.1

----------

Fixed taller biomes digging into rivers

Added max cave height to configs

1.2.0

----------

Improved speed of cave generation by about 30%

Added config for setting noise cutoff at the surface, allowing for greater control over how often caves appear at surface level

Added more tests for water before digging cave (aka less floating water)

Replaced floating sand with sandstone when digging cave (deserts are no longer a giant cave death trap)