Woocommerce Local Pickup Plus 2.11.3

* Tweak - If pickup appointments are required and there is only one date available, automatically select it
* Tweak - Display weekdays for the holiday date picker (the weekdays displayed are from the current year, but dates are excluded for all years)
* Tweak - Allow to clear pickup appointment date if appointment is not required
* Fix - If WC shipping is disabled, consider pickup not available and add an admin notice
* Fix - Inject order item pickup information when reloaded via AJAX
* Fix - Make enhanced location search messages translatable when using latest versions of select2
* Fix - Do not show "Shipping to" text in cart when pickup is selected
* Fix - Ignore products available per location restrictions when only allowing one pickup location per order
* Fix - Prevent JavaScript error when postal code contains only digits

* Fix - Ensure that the WooCommerce session and the chosen shipping methods are available when trying to set the pickup location as taxable address to avoid PHP errors in some circumstances

* Fix - Reload the checkout seamlessly when toggling between shipping and pickup in per-order checkout mode if applying the local pickup tax option is enabled to prevent persisting of the wrong taxable address in some circumstances
* Fix - If having a sole pickup location, per-order checkout mode and automatically grouping packages options are enabled, ensure the pickup location is persisting in the session for taxable address evaluation purposes
* Misc - Add support for WooCommerce 3.6
* Misc - Require PHP 5.4+