1.0.4: Minor updates

• Add invoice id/url, confirmed amount and overpayment amount in order metadata
• Add a custom column to the WooCommerce order table that shows overpayment amounts

tested with:

• Wordpress v5.5.3
• WooCommerce v4.7.1

1.0.3: Minor enhancements

• Show transactions and address alias in custom meta fields
• Show # of confirmations in notes when status=paid

First full release

Changes since alpha:

• Working IPN integration
• Make default currency description "Dogecoin"