HTTP ranges by bagder
https://ec.haxx.se/libcurl-http/libcurl-http-ranges
Re: Ranged PUTs, Content-Range, and Content-Length
https://curl.haxx.se/mail/lib-2019-05/0012.html
Clarify use of CURLOPT_RANGE on upload #3814
CURLOPT_RANGE does not work properly for ranged PUTs
https://github.com/curl/curl/issues/3814