- Fix xenmaker sprites never being removed if their framerate is 0.
- Fix xenmaker sprites never showing if their scale is 0.
- Add trigger_setcvar.
- New "health" keyvalue for monsters/monstermaker for custom health.
- Fixed Alien Grunt's hornets being silent.
- Fixed many, many, many, many ... many GSR crashes.
- Fixed voltigore's beams not being cleared upon gibbing/removal.
- Prepare for T4 release.
Partially fixed the Stukabat being unable to move when target is unreachable.
Removed zombie/gonome bullet resistance.
Add Global Model Replacement and Global Sound Replacement.
Update Tier milestones.
