v0.4.0

What's Changed

• feat(files): keep permission bits on upload and download by @ata-sesli in #26
• feat(exec): stream exec and add an rsh entry point for rsync by @ata-sesli in #27
• feat(files): stream whole-file CLI read and write by @ata-sesli in #28
• feat(forward): add local port forwarding by @ata-sesli in #29

Full Changelog: v0.3.1...v0.4.0