add Uri parser, add ISerializationBinder

ISerializationBinder is added only in whitelist mode. Types for whitelisting should be registered manually via new API `Module.StartAsync()` or attribute `AllowedSerializableType(name)`

Core/SerializationBinder.cs

@@ -0,0 +1,49 @@
+using Newtonsoft.Json.Serialization;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Kruzya.TelegramBot.Core
+{
+    public class SerializationBinder : ISerializationBinder
+    {
+        protected IDictionary<string, Type> _allowedTypes = new Dictionary<string, Type>();
+
+        public void RegisterAllowedType(string name, Type type)
+        {
+            if (_allowedTypes.ContainsKey(name))
+            {
+                throw new ArgumentException($"{name} is already registered", "name");
+            }
+
+            foreach (var knownType in _allowedTypes.Values)
+            {
+                if (type != knownType)
+                {
+                    continue;
+                }
+
+                throw new ArgumentException($"{type.FullName} is already known type", "type");
+            }
+
+            _allowedTypes.Add(name, type);
+        }
+
+        public void RegisterAllowedType<T>(string name) where T : class
+        {
+            RegisterAllowedType(name, typeof(T));
+        }
+
+        public void BindToName(Type serializedType, out string assemblyName, out string typeName)
+        {
+            assemblyName = null;
+            typeName = _allowedTypes.Where(x => x.Value == serializedType)
+                .FirstOrDefault().Key;
+        }
+
+        public Type BindToType(string assemblyName, string typeName)
+        {
+            return _allowedTypes[typeName];
+        }
+    }
+}