调整了Library文件结构;

源代码生成新增了参数验证方法;
修改了ParamterDetails的定义

Library/Attributes/BindValueAttribute.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace Serein.Library
+{
+    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
+    public class BindValueAttribute : Attribute
+    {
+        public object Value { get; }
+
+        public BindValueAttribute(object value)
+        {
+            Value = value;
+        }
+    }
+
+}