Fix for entries without label showing up empty
This was affecting one Odyssey PawnKindDef with a defName of TradersGuild_Child on my end

Fix ArgumentException for invalid comparer in xenotype list

Fixed custom xenotype loading and xenotype editor throwing

- 1.6 support
- Gordohn's additions integrated, including:
-- a templates dialog
-- options to use weights instead of percentages for spawn rates
-- some bug fixes, see github
- also some minor UI cleanup, better sorting

Bugfix for sliders throwing an error in the settings menu when jumping from exactly 100% to exactly 0%

[Auto-generated text]: Initial upload.