WTHIT

• [API] Added IToolType to register other tool types for the harvestability plugin
• Added built-in harvestability plugin

Full changelog can be seen at https://raw.githubusercontent.com/badasintended/wthit/dev/master/CHANGELOG.txt

• [API] Added IInstanceRegistry

Full changelog can be seen at https://raw.githubusercontent.com/badasintended/wthit/dev/master/CHANGELOG.txt

• [API] Added IInstanceRegistry
• Updated Quilt version

Full changelog can be seen at https://raw.githubusercontent.com/badasintended/wthit/dev/master/CHANGELOG.txt