Work around the lack of support for multipart/byteranges in HTTP client.
Work around the lack of support for multipart/byteranges in HTTP client.

andybalholm/redwood,vishnuvaradaraj/redwood,yinheli/redwood-filter,unixabg/redwood,vishnuvaradaraj/redwood,andybalholm/redwood,vishnuvaradaraj/redwood,yinheli/redwood-filter,unixabg/redwood,yinheli/redwood-filter