Merge pull request #31 from nuvo/30-large-files-are-truncated-when-up…

…loaded-to-s3

30 large files are truncated when uploaded to s3

[skbn/s3] get full list of items, fixes #7

[skbn/skbn] fix done message in copy

[skbn/s3] fix dirty state after fmt

[skbn\skbn] upload and download from nio to io

fix typo in readme

change command from string to []string

download from k8s from cat to cp