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

SharedLibraryCore/Objects/Player.cs

@@ -34,15 +34,45 @@ namespace SharedLibraryCore.Objects
 
         public enum Permission
         {
+            /// <summary>
+            /// client has been banned
+            /// </summary>
             Banned = -1,
+            /// <summary>
+            /// default client state upon first connect
+            /// </summary>
             User = 0,
+            /// <summary>
+            /// client has been flagged
+            /// </summary>
             Flagged = 1,
+            /// <summary>
+            /// client is trusted
+            /// </summary>
             Trusted = 2,
+            /// <summary>
+            /// client is a moderator
+            /// </summary>
             Moderator = 3,
+            /// <summary>
+            /// client is an administrator
+            /// </summary>
             Administrator = 4,
+            /// <summary>
+            /// client is a senior administrator
+            /// </summary>
             SeniorAdmin = 5,
+            /// <summary>
+            /// client is a owner
+            /// </summary>
             Owner = 6,
+            /// <summary>
+            /// not used
+            /// </summary>
             Creator = 7,
+            /// <summary>
+            /// reserved for default account
+            /// </summary>
             Console = 8
         }
 
@@ -51,12 +81,10 @@ namespace SharedLibraryCore.Objects
             ConnectionTime = DateTime.UtcNow;
             ClientNumber = -1;
             DelayedEvents = new Queue<GameEvent>();
+            _additionalProperties = new Dictionary<string, object>();
         }
 
-        public override string ToString()
-        {
-            return $"{Name}::{NetworkId}";
-        }
+        public override string ToString() => $"{Name}::{NetworkId}";
 
         public String GetLastConnection()
         {
@@ -105,7 +133,10 @@ namespace SharedLibraryCore.Objects
         {
             await CurrentServer.Ban(Message, this, Sender);
         }
-
+        [NotMapped]
+        Dictionary<string, object> _additionalProperties;
+        public T GetAdditionalProperty<T>(string name) => (T)_additionalProperties[name];
+        public void SetAdditionalProperty(string name, object value) => _additionalProperties.Add(name, value);
         [NotMapped]
         public int ClientNumber { get; set; }
         [NotMapped]
@@ -150,9 +181,6 @@ namespace SharedLibraryCore.Objects
             return ((Player)obj).NetworkId == NetworkId;
         }
 
-        public override int GetHashCode()
-        {
-            return NetworkId.GetHashCode();
-        }
+        public override int GetHashCode() => (int)NetworkId;
     }
 }