Range header support for Http client

[reza-hdd]

Is your feature request related to a problem? Please describe.
I need to download a large file for a firmware upgrade through a cellular network and quite often the download process is interrupted for any reason. So, the next time I have to retry downloading form the start of the file as the http client request doesn't support to put a file range in header request.

Describe the solution you'd like
Resuming the file download helps a lot if I could request the file from where it stopped downloading last time