New version 23.09.23

Changelog, version 23.09.23

Features
Children are being born.
Children can be educated in schools to gain skills.
Colonists age, retire when old and eventually die.
Labs can act as schools for their corresponding skills.
Bunkhouse can be switched into family mode, housing 4 families of 8 instead of 32 individuals.

Content
New structures:
    Classroom
    Clinic Education Unit
    Coolant Unit
    Ethylene Glycol Unit
    EVA Unit
    Polyester Unit
    PVC Unit
    Vehicle Unit
New technologies:
    Amoco process
    Ethylene oxidation
    Industrial coolant
    Memory metals
    Oxidative chlorination
New resources:
    Memory metals
    AEV chassis
New resource icon - Ethylene glycol

UX
Mine with only unknown deposit shows a warning.

Fixes
Crash related to movement in general.
Crash when exploration was set to be done in order, but no sectors were queued.
Crash when deconstructing Airlock.
Rare race condition crash.
Mining drill was not unpacking when moved to certain locations (mostly slopes).
Structures high up on a mountain did not render from certain angles.
Colonists going home to eat were still visible in front of their houses.
Colonists had space suits on after reload no matter their situation.
Structure workload was not being properly updated after it suffered from low temperature.
Selected radio tower signal stayed visible even after the corresponding cargo ship was found.