Robot Destruction Alternative 0.2.3

Changes

- The target position where a robot starts hacking is now randomly shifted to make it less likely for two robots to overlap;

- Fixed the spawnpoint assignments not being invalidated when players moved to the spectator team;

- Fixed the exec-only-once-code actually being executed every round.

Changes

- Improved the cores pickup system (now using a bbox instead of "OnCacheInteraction")

v0.2.1 changes

- Eureka effect now correctly teleports you to a spawn;

- The Sapper's looping sound doesn't get stuck anymore;

- Removed a lag spike caused by the powerup-runes' models not beign precached.

What's new?
Pretty much everything!
The code was mostly re-written from scratch and now there's an actual gamemode~

Check out the new overview for everything new! (https://tf2maps.net/downloads/robot-destruction-alternative.17200/)