Use the faster implementation of easy backfilling

See issue #20 (closed)

Closes #20 (closed) and #7 (closed)

added 3 commits

• 6fea48a8...90fe3865 - 2 commits from branch master
• d912deef - Merge branch 'master' into '20-easy-bf-fast'

Compare with previous version

enabled an automatic merge when the pipeline for d912deef succeeds

merged

mentioned in commit 5c8dae2b