Feature Add: Two Factor Authentication

Added:

• Added code to api_login function to handle iCloud accounts with two factor authentication enabled

Fixed:

• Added import for the python "click" module to use proper prompts for 2 factor authentication
• Added "click" version 6.6 or higher to the requirements.txt for install

** Notes:

• Be sure you either run a pip install click or a pip install -r requirements.txt to confirm you have all packages needed as at least 1 has been added by this release