added filter for empty cart return to shop link
Use md5 hash for transient names so that the lengths are valid. Closes #4851
Run array_unique on results of order search Closes #4855
Sanitize screen id. Closes #4788
Use 'include' parameter to show siblings/children of current category. Fixes #891
Code clean up. Various undefined variables / notices.
Correctly join post meta to fix order searches Closes #4855
Double declaration fix
Added the type attribute to the coupon input on the cart page
Only show settings link if method has_settings
Rounding order_tax and order_shipping_tax restricts our ability to get an accurate tax_total after an order is made. Fixes some paypal rounding requests.

@coenjacobs
Fix display of fee_taxes when spanning multiple tax classes Closes #4803
capital_p_dangit()
Use get_col for sku search - return multiple results.
wc_cart_totals_coupon_label function and filter to override coupon labels
Transifex links
tx config
Updated languages
radios. closes #4892
Check product exists before accessing methods

To avoid fatal errors when generating renewal orders in Subscriptions.