Adds support for partial & resumable downloads to showAttachments() (#4036)
Adds support for partial & resumable downloads to showAttachments() (#4036)

* Adds support for partial & resumable downloads to showAttachments()

Signed-off-by: Jon Stovell <5fe09b7d9f00fd95250ae2a73993b352b084988d@gmail.com>

* Removes a speed throttle that wasn't meant to be included

Signed-off-by: Jon Stovell <5fe09b7d9f00fd95250ae2a73993b352b084988d@gmail.com>

* Defines size of fread() data chunks as 40KB

Signed-off-by: Jon Stovell <5fe09b7d9f00fd95250ae2a73993b352b084988d@gmail.com>

StealthWombat/SMF2.1-more-forkery,StealthWombat/SMF2.1-more-forkery