把代码核心逻辑移入热更工程，热更工程生成编译后可以直接Copy dll 和 mdb文件到UnityAsset目录下

把代码核心逻辑移入热更工程，热更工程生成编译后可以直接Copy dll 和 mdb文件到UnityAsset目录下

TEngineHotUpdate/src/TEngineCore/Json/LitJson/JsonException.cs

@@ -0,0 +1,65 @@
+#region Header
+/**
+ * JsonException.cs
+ *   Base class throwed by LitJSON when a parsing error occurs.
+ *
+ * The authors disclaim copyright to this source code. For more details, see
+ * the COPYING file included with this distribution.
+ **/
+#endregion
+
+
+using System;
+
+
+namespace TEngineCore.ListJson
+{
+    public class JsonException :
+#if NETSTANDARD1_5
+        Exception
+#else
+        ApplicationException
+#endif
+    {
+        public JsonException () : base ()
+        {
+        }
+
+        internal JsonException (ParserToken token) :
+            base (String.Format (
+                    "Invalid token '{0}' in input string", token))
+        {
+        }
+
+        internal JsonException (ParserToken token,
+                                Exception inner_exception) :
+            base (String.Format (
+                    "Invalid token '{0}' in input string", token),
+                inner_exception)
+        {
+        }
+
+        internal JsonException (int c) :
+            base (String.Format (
+                    "Invalid character '{0}' in input string", (char) c))
+        {
+        }
+
+        internal JsonException (int c, Exception inner_exception) :
+            base (String.Format (
+                    "Invalid character '{0}' in input string", (char) c),
+                inner_exception)
+        {
+        }
+
+
+        public JsonException (string message) : base (message)
+        {
+        }
+
+        public JsonException (string message, Exception inner_exception) :
+            base (message, inner_exception)
+        {
+        }
+    }
+}