Version 0.7.1.215

Version 0.7.1.215

Beta version is available in Betas tab(Right-click on Sky Haven in Library -> Properties -> Betas -> 0.7.1.215)
Saves are incompatible with 0.7.1.213

* Bug fixes
- fixed that sometimes a tier is only unlocked after saving/loading
- fixed a crash with related to ts
- fixed a bug with placing doors on internal walls
- fixed a bug with impossibility to interact with internal objects