Chunk gzip upload compression so source file is not in memory all at once
Chunk gzip upload compression so source file is not in memory all at once

GoogleCloudPlatform/gsutil,ttiurani/gsutil,BrandonY/gsutil,GoogleCloudPlatform/gsutil,chriskuehl/gsutil-debian,dimfeld/gsutil,mattdr/gsutil,dtjackson/gsutil,craigcitro/gsutil,fishjord/gsutil