message: Update CHANGELOG for GetTotalEffectBonus
diff: @@ -54,6 +54,7 @@ The following plugins were added:
  - Creature: GetFeatRemainingUses()
  - Creature: GetFeatTotalUses()
  - Creature: SetFeatRemainingUses()
  +- Creature: GetTotalEffectBonus()
  - Effect: PackEffect()
  - Effect: UnpackEffect()
  - Encounter: GetNumberOfCreaturesInEncounterList()
  