Version up to 16.4

Author: ManlyMarco

ConfigurationManager/ConfigurationManager.cs

@@ -31,7 +31,7 @@ public class ConfigurationManager : BaseUnityPlugin
         /// <summary>
         /// Version constant
         /// </summary>
-        public const string Version = "16.3";
+        public const string Version = "16.4";
 
         internal static new ManualLogSource Logger;
         private static SettingFieldDrawer _fieldDrawer;