PayloadTagInfoDto class added

• The classes PayloadTagInfoDto and PayloadTagInfoSetDto are added;
• added method listPayloadTagInfo;
• The method TagSetDto::from_json() corrected;

CrestApi/CrestApi.h

@@ -491,6 +491,17 @@ namespace Crest
  */
         std::string getCrestVersion();
 
+/**
+ * This method retrieves monitoring information on payload as a list of payload tag information.
+ * @param tagname - tag name pattern, "%" can be used for any symbols,
+ * @param size - page size,
+ * @param page - page number,
+ * @param sort - sorting order (name:ASC or name:DESC),
+ * @return JSON payload tag info list as a PayloadTagInfoSetDto.<br>
+ */
+        PayloadTagInfoSetDto listPayloadTagInfo(const std::string &tagname, int size, int page, const std::string &sort);
+
+
     };
 
 } // namespace Crest