// ============================================================================
// File: questionGame.cpp
// Author: Jay Oblay (Frenchman extraordinaire)
// Last Modified:  Fall 2020
// Description: 
// This is a text based game where
// The player first thinks of an animal.
// The computer then asks a set of yes or no questions to
// discover what the animal is.
//
// If the computer guesses the correct animal all is good.
// If not the computer asks the user what animal he/she was thinking of
// and a yes or no question to determine the difference between
// what the computer guessed and what the animal actually was.
// These extra/new animals and related questions and answers 
// are stored in 2 support text files.
// See also the template file
//
// This serves an an illustrative (and fun) example of how to
// use the binary tree data structure.
// It also shows how to input and output to a file.
//
// Tasks: Find the TODOs, clean up this code
//
// Is this really using a tree class?  (it only declares the node type...)
// Could this code be restructured to use a tree class?
//
// TODO:
// This program stores out "new" questions and answers and animals
// to two text files
// Can you find a way to read them back in the next time the program is
// run? --- warning the current way things are output might not be
// good enough to work, do you need two files? or can it be done with 
// just one?
//
// TODO: clean up the comments, add comments where needed
//
// ============================================================================