Added gitignore
- Updated Cave and Ravine gen to 1.6.4 version. Renders updateTopBlocks obsolete and fixes annoying top-block issues from previous versions.
- Checking min temperature = hot for savannah. Oceans are now again generated with sand top blocks.
- Updated populate to 1.6.4 version.
- Now properly applies snow & ice
- Adjusted woodland behaviour
- Fine-tuned humidity and temperature parameters
- Significantly reduced the lake spam
- NoiseStretch now contains an offset for much more unique worlds
- Further fine-tuning of woodland