Fix uuid generation for template data download.

We were creating an s3 key with an empty segment, which led to 403
errors from aws.
Use of enhanced key gen from kixi.pipe 0.17.10.
Update etl to account for ElasticSearch.
further uuid / key changes.
Fix upload status.
Fix failing test.
Add some downloads s3-key multimethod tests.
Add some downloads s3-key multimethod tests.
let alignment.
upload s3-key-from tests.
Add missing require.
fix dependency range annoyance.
Merge pull request #224 from MastodonC/feature/trigger-download-with-data-fix

Fix uuid generation for template data download.