Refactored/Simplified Functions Within Class

inc/filestore.php
Refactored With An Inherited Class

Linked w filestore.php & addressDataStore.php
public/address_book/address_book.php
Refactored To Inherit Class

Linked to fileStore.php & addressDataStore.php
public/todo_list/todo_list.php
Inherited filestore.php class

Linked with addressbook.php & filestore.php
inc/addressDataStore.php