add hierarchical node

include/nodes/BaseNode.h

@@ -2,16 +2,19 @@
 #include <iostream>
 
 #include "ifaces/INode.h"
+#include "Logger.h"
 
 class BaseNode : public virtual INode {
 public:
 	BaseNode(std::string name) : name_(std::move(name)) {
-		std::cout << "--- Base constructor called for: " << name_ << "\n";
+		Logger::get("Node").dbg(std::string("--- Base constructor called for: ") + name_);
 	}
 	const std::string& name() const override { return name_; }
+	const std::string& kind() const override { return kind_; }
 	~BaseNode() {
-		std::cout << "--- Base destructor called for: " << name_ << "\n";
+		Logger::get("Node").dbg(std::string("--- Base destructor called for: ") + name_);
 	}
 protected:
 	std::string name_;
+	std::string kind_;
 };