Added additional properties method to allow easier extension to client properties

updated VPN plugin to use WebClient
message is sent to client trying to execute commands before they are authenticated
fixed rare issue with ToAdmins failing
record bullet distance fraction for client kills (_customcallbacks)
change client level/permissions through webfront
ability to tempban through webfront

WebfrontCore/ViewModels/InputInfo.cs

@@ -12,5 +12,7 @@ namespace WebfrontCore.ViewModels
         public string Placeholder { get; set; }
         public string Type { get; set; }
         public string Value { get; set; }
+        public Dictionary<string, string> Values { get; set; } 
+        public bool Checked { get; set; }
     }
 }