= 2.6.0 =
* ADDED: File upload checkout field.
= 2.5.0 =
* ADDED: adding custom_payment_gateways_validate_field filter to add custom validation
* ADDED: adding payment info to the invoice generated by the WooCommerce PDF Invoices Packing Slips plugin.
* ADDED: add gateway_id to the custom_payment_gateways_api_data and custom_payment_gateways_json_post_headers filters.
* FIXED: undefined variable error.
* FIXED: mask credit card number when sending emails.