Use zaptest to get logs which get printed only if a test fails
or if you ran go test -v.
Dont use zaptest.Logger for fuzz otherwise ngfuzz/libfuzz crashes
Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>
Split DownloadZip handler on methods. Add handler DownloadTar for downloading tar.gz archives. Make methods more universal for using in both implementations
Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>