Check for Existence of Cart Before Using

check for the existence of the cart during the is_available() check
before getting the order total (which otherwise will result in a PHP
notice from the admin, etc)
stopped "no such file or directory" warnings
introduces the wc_get_log_file_path() function
created the language pack upgrader
added post_status filter in WC API, closes #4857
introduces the wc_get_customer_available_downloads() function
created customer api endpoint to get the customer available downloads, closes #4594
RTL the spam trap

Avoids horizontal scroll on rtl. (and some minor code styling)
Update form-login.php
Update form-login.php
Merge pull request #5582 from claudiosmweb/4857-feature-api-products-status-filter

Add post_status filter in WC API
Merge pull request #5584 from claudiosmweb/4594-feature-customer-api-available-downloads

Add Customer API endpoint for get available downloads
Merge pull request #5577 from claudiosmweb/improve-system-status-logs

Stop "no such file or directory" warnings
introduces the WC_Order::needs_shipping_address() method
hidden the shipping address when local pickup is used, closes #4870
Merge pull request #5586 from claudiosmweb/4870-feature-local-pickup-hide-shipping-address

Remove Shipping Address when the shipping method is Local Pickup
adding paraguayan currency. see #5568
capitalizing paraguayan guarani
Merge pull request #5588 from BFTrick/add-paraguayan-currency

Adding Paraguayan Currency PR for 5568
Merge pull request #5585 from yakirgot/patch-1

RTL the spam trap