* Tweak - Erase Social Login linked accounts information when a user requests to erase their personal data
* Fix - Fix an error which occurs when used with WooCommerce Memberships
* Misc - Add support for WooCommerce 3.4
* Feature - Add support for WooCommerce Memberships to add Social Login buttons to restriction messages for logged out users
* Misc - Warn admins if a caching issue may be affecting Social Login authentication making customers unable to link their accounts and log in
