YITH Point Of Sale For WooCommerce (POS) 3.1.0

* New: support for WooCommerce 4.5
* Update: plugin framework
* Update: language files

* New: support for WooCommerce 4.3
* Update: plugin framework
* Update: language files
* Fix: scrolling issues in category view
* Fix: tax rounding issue
* Fix: issues when some payment methods have empty amount when paying through POS
* Fix: scan product by SKU when there are restrictions for categories in Register
* Tweak: prevent notices when retrieving orders through REST API
* Tweak: added login messages and errors
* Tweak: improved search speed
* Tweak: set the default value for 'tax status' field to 'Enabled' when creating a new product in POS
* Tweak: improved search by SKU when scanning a product
* Tweak: fixed style issue in placeholders of select fields in Registers
* Tweak: limit the 'Popular Tendered' suggestions to 6 to prevent style issues
* Dev: added yith_pos_order_processed_after_showing_details action
* Dev: added yith_pos_default_selected_payment_gateway filter
* Dev: added yith_pos_coupon_custom_discount_amount filter
* Dev: added yith_pos_coupon_custom_discounts_array filter
* Dev: added yith_pos_is_product_coupon filter
* Dev: added yith_pos_is_cart_coupon filter
* Dev: added yith_pos_coupon_is_valid_for_product filter
* Dev: added yith_pos_coupon_is_valid_for_cart filter
* Dev: added yith_pos_cart_item_product_name filter
* Dev: added yith_pos_show_stock_badge_in_search_results filter
* Dev: added yith_pos_receipt_order_item_name_quantity filter
* Dev: added yith_pos_header_menu_items filter
* Dev: added yith_pos_receipt_order_item_price filter
* Dev: added yith_pos_product_list_query_args filter
* Dev: added yith_pos_product_section_tabs filter
* Dev: added yith_pos_search_include_variations filter
* Dev: added yith_pos_search_include_searching_by_sku filter
* Dev: added yith_pos_scan_product_tab_active_default filter
* Dev: added yith_pos_new_product_default_data filter
* Dev: added yith_pos_customer_to_update filter
* Dev: added yith_pos_customer_use_email_as_username filter
* Dev: added yith_pos_customer_to_create filter
* Dev: added yith_pos_cart_item_product_price filter in react

* New: support for WooCommerce 4.2
* New: restock items automatically after refunds
* Update: plugin framework
* Update: language files
* Fix: issue when adding cash-in-end and closing the register
* Fix: issue when editing customer
* Dev: added yith_pos_product_get_meta filter in React
* Dev: added yith_pos_show_price_including_tax_in_receipt filter
* Dev: added yith_pos_show_tax_row_in_receipt filter