finish hint giving, add better logs

adaptive_game_module/adaptive_game.py

@@ -177,7 +177,7 @@ class Game:
 
     def log_to_file(self, filename): # raise OSError when file can't be opened
         """Log the current game state and logs into a YAML file."""
-        with open(filename, 'w') as f:
+        with open(filename, 'a') as f:
             yaml.dump(self, f)
 
     # # # METHODS THAT OUTPUT INTO STDOUT # # #

adaptive_game_module/hint_giver.py

@@ -32,4 +32,8 @@ class HintGiver:
     def is_hint_name(self, level, branch, hint_name):
         if hint_name in self.hints[level][level+branch]:
             return True
-        return False
+        return False
+
+    def log_to_file(self, filename):
+        with open(filename, 'a') as f:
+            yaml.dump(self, f)