* Fix: Corrected an issue with validating credit card CVV numbers properly. Now an error displays and is logged in wp-admin in the case of an error.
* Maintenance: Added compatibility with the upcoming version Give Core 2.5.0 settings.
* New: Include Braintree SDK with Composer and autoload for fewer plugin conflicts.
* Tweak: Ensure that PHP 5.4+ is in use on the site and fail gracefully if not.
* Tweak: Update doc link using shortlink for easier update in case the link changes.
* Fix: Resolved conflict with Paid Memberships Pro plugin.
