restructured directories to make more sense of modules and sub-modules

pocket_friends/development/button_test.py

@@ -2,7 +2,7 @@
 Module to test the GPIO input on the Raspberry Pi.
 """
 from collections import deque
-from pocket_friends.game_files.io_helpers.gpio_handler import Constants, GPIOHandler
+from pocket_friends.game_files.io.gpio_handler import Constants, GPIOHandler
 
 
 def button_test():

pocket_friends/development/dev_menu.py

@@ -8,13 +8,13 @@ import pygame
 import time
 from .button_test import button_test
 from .menus import Menu
-from pocket_friends.game_files.io_helpers.gpio_handler import GPIOHandler, Constants
+from pocket_friends.game_files.io.gpio_handler import GPIOHandler, Constants
 
 try:
     importlib.util.find_spec('RPi.GPIO')
     import RPi.GPIO as GPIO
 except ImportError:
-    import pocket_friends.game_files.io_helpers.fake_gpio as GPIO
+    import pocket_friends.game_files.io.fake_gpio as GPIO
 
 # Global variable to keep track of the current menu.
 menu = 'main'