Add X-Url-Delete-* headers to POST handler (#435)
Add X-Url-Delete-* headers to POST handler (#435)

* Add X-Url-Delete-* headers to POST handler

* Remove token from header

* Fix writing of headers

* Handle error returned by Write

* Update handlers.go

Co-authored-by: Andrea Spacca <9291356cb2c93b51f2e67dabf743cc0dc4f1312f@gmail.com>
dutchcoders/transfer.sh,dutchcoders/transfer.sh