Comments, var access, start on objects

src/runner/runner.h

@@ -13,6 +13,12 @@
  * context of execution. The class implements mechanisms for traversing AST nodes
  * and consuming or peeking at individual nodes.
  */
+
+class Object {
+    public:
+    std::vector<Object> children;
+};
+
 class Executor {
     private:
     std::map<std::string, ASTFunction> functions;