Add "type_name" function and port the "new" in prelude to use it instead of clone/clear.

include/chaiscript/dispatchkit/dispatchkit.hpp

@@ -463,7 +463,7 @@ namespace chaiscript
   /**
    * return true if the Boxed_Value matches the registered type by name
    */
-  static bool is_type(const Dispatch_Engine &e, const std::string &user_typename, Boxed_Value r)
+  bool is_type(const Dispatch_Engine &e, const std::string &user_typename, Boxed_Value r)
   {
     try {
       return e.get_type(user_typename) == r.get_type_info();
@@ -472,6 +472,11 @@ namespace chaiscript
     }
   }
 
+  std::string type_name(const Dispatch_Engine &e, Boxed_Value obj)
+  {
+    return e.get_type_name(obj.get_type_info());
+  }
+
 }
 
 #endif