Poison corrections

::poison command (admin) will now automatically remove poison immunity timers for faster testing
Poison will no longer give an inauthentic warning when it is about to expire
Newly applied poison timers will only overwrite old poison timers if they are greater in severity
Fixed up some logic for monster examine checking poison immunity
Fixed numerous poison stats

Server/src/main/core/api/ContentAPI.kt

@@ -3044,8 +3044,12 @@ fun applyPoison (entity: Entity, source: Entity, severity: Int) {
     val existingTimer = getTimer<Poison>(entity)
 
     if (existingTimer != null) {
-        existingTimer.severity = severity
-        existingTimer.damageSource = source
+        if (existingTimer.severity > severity) {
+            return
+        } else {
+            existingTimer.severity = severity
+            existingTimer.damageSource = source
+        }
     } else {
         registerTimer(entity, spawnTimer<Poison>(source, severity))
     }