Two fixes, one commit

To kill two birds with one stone, I've done two fixes in this commit.
- Fixes issue that caused quiet warns to behave improperly (e.g. the warnings wouldn't increment if quiet)
- Added WARN to the PunishmentType list.

src/main/java/me/totalfreedom/totalfreedommod/punishments/PunishmentType.java

@@ -7,5 +7,6 @@ public enum PunishmentType
     KICK,
     TEMPBAN,
     BAN,
-    DOOM
+    DOOM,
+    WARN
 }