WooCommerce Conditional Shipping and Payments 2.0.4

* Feature - Add states/regions support in 'Billing Country' condition.
* Fix - 'Shipping Postcode' condition did not work in 'Payment Gateway' restrictions when attempting to purchase a synchronized subscription product.
* Fix - Resolved 'get_cart() on null' error triggered under some... pretty interesting circumstances.
* Tweak - Match 'Shipping Postcode' condition when using the 'is not' modifier and and the 'Postcode' checkout field is empty.
* Tweak - Match 'Shipping/Billing Country' condition when using the 'is not' modifier and and the 'State/Region' checkout field is empty.

* Fix - 'Product on Subscription' condition not working during manual renewals.
* Tweak - Updated the 'Settings > Restrictions' page layout.
* Tweak - Added a warning in global restriction pages to let store managers know when 'Settings > Restrictions > Troubleshooting > Disable Global Restrictions' is active.
* Tweak - Added a warning in edit-product pages to let store managers know when 'Settings > Restrictions > Troubleshooting > Disable Product Restrictions' is active.

* Tweak - Renamed 'Recurring Item' condition to 'Product on Subscription'.