Revert "Merge pull request #123 from DouweM/silent-fail"

This reverts commit 6d1a2069cb4e54032fadefdc3d552c87ebc5bdc5, reversing
changes made to 75bd78e546b4618cc04a41c4a800a86df699bd4b.
Only test against >= 1.9.3
Bump version
Rescue from not found errors in workers
Dry up workers even more
Update changelog
Bump Version
Fail silently when no file