v0.3.9

What's Changed

• add /debug api and periodically log compute node active jobs by @wdbaruni in #978
• add requester node info to /debug api by @wdbaruni in #979
• Allow slashes to be in branch names by @wjam in #980
• 876 Improvements to downloader by @binocarlos in #953

Full Changelog: v0.3.8...v0.3.9