Development roadmap

Things may move around a bit, and there's a lot of polish stuff that isn't on this list, but this is the overall roadmap for development.

0.5 Survival Update
 * mobs spawn at night
 * turrets
 * basic combat

0.6 Farming Update
 * more crop/food types
 * fertilizer
 * hydration

0.7 Factory Update
 * rails
 * electric circuits
 * trigger wires
 * sensors
 * power generation/consumption

0.8 Skills Update
 * more skills for colonists
 * character traits
 * lots of gear

0.9 Quest Update
 * summonable challenges
 * advanced progression

1.0 Achievement Update
 * final bosses
 * end-game achievements