WooCommerce Bookings 2.1.9

* Fix - Error when deleting product on admin.
* Fix - Persons not showing up in the Edit Booking page.
* Fix - Negative values of available quantity.
* Fix - Reset email data for each trigger to not send previously calculated data.
* Fix - Make buffers apply in front by shifting times accordingly.
* Fix - Logic for available times where some times were blocked while they shouldn't have been.

* New - 3.0 + full CRUD support.
* New - Dropped < 2.3 support.
* Tweak - Guest name displaying incorrectly in admin.
* Fix - Priority no longer overrides global availability rules. Priority should have override order and rule level (Global, Product, Resource ).
* Fix - Blocking a time slot on a certain day of the week blocks it for the whole week.
* Fix - Display of clients' names (for "guests") in All Bookings dashboard. Client name only showed as guest with no other information.
* Fix - Rules set on resources do not return the correct hour slots on a specific day.
* Fix - Error when you create a booking in admin without order.
* Fix - Persons count as booking no longer worked.
* Fix - Error notices upon saving with WPML
* Fix - Fully/Partially booked days not showing up as expected.
* Fix - Time on specific dates were applied to all dates.
* Fix - Buffer periods are ignored in certain cases.
* Fix - Google calendar also showing no booking items on the order.
* Fix - PHP 7.1 warnings when implicitly doing calculations
* Fix - Partially booked days not showing up on the calendar when resources are customer selected.
* Fix - Check rules against first slot only setting is being ignored.
* Fix - Order address blank when creating a booking with order in admin.
* Fix - Buffer periods rendered following slots as not bookable.
* Fix - Partial refund of an order with multiple bookeable orders should cancel booking that matches refunded order item.
* Fix - Days that have no available blocks should show as fully booked on the calendar.
* Fix - Update the save_post action to properly hook only on supported post types used in meta box.
* Tweak - Display product ID in create booking admin screen.

* Fix - Minute blocks shows not available when paired with time range with date rule type.
* Fix - Blogname not shown when cancelling bookings via bulk order.
* Fix - Persons not counted as bookings for the day duration type booking product.
* Fix - Availability rules ignored for hour duration type in certain configurations.
* Fix - Form fields don't save due to non-indexed form arrays.
* Fix - Fully booked days showing up as partially booked days and can be over booked.
* Fix - Product add on not calculating on when the duration unit was set to day.