Upgrades spawners to have:
- [X] Parameter support
- [X] Property support
- [X] Optimized timers
- [X] Support for Proximity Spawners
- [X] Probabilities
Convert movement, actions (lift/use), combat, and spells to use Core.TickCount and avoid DateTime caveats (performance, system time dependency, etc)
Refactor DateTime.Now to DateTime.UtcNow
Add LOS check for Iron Maiden addon