Skillbook announcer update + Encoded temporary mob buffs + Slot gains patch

Encoded temporary mob buffs on mob control request/spawn packets.
Improved scroll generator NPC, now testing other bucket set possibilities.
Fixed slot gain method recently updated leading to a temporary visual glitch (inventory would show as normal after relogin).
Reviewed mobid check by name, no longer trying to generate a whole mob instance for info retrieval.
Added debuff purge when applying a buyback.
Reviewed skillbook announcer not informing properly storybooks, reactor or script loots.
Fixed autoaggro not working properly as soon as a player enters the field.
Fixed "fake" mobs disappearing as soon as its controller changes.

config.yaml

@@ -335,6 +335,7 @@ server:
     MOB_STATUS_MONITOR_LIFE: 84         #Idle proc count the mob disease monitor is allowed to be there before closing it due to inactivity.
     MOB_STATUS_AGGRO_PERSISTENCE: 2     #Idle proc count on aggro update for a mob to keep following the current controller, given him/her is the leading damage dealer.
     MOB_STATUS_AGGRO_INTERVAL: 5000     #Interval in milliseconds between aggro logistics update.
+    USE_AUTOAGGRO_NEARBY: false         #Mobs start following the player when approached.
 
     #Some Gameplay Enhancing Configurations
     #Scroll Configuration