Merge pull request #3194 from RosettaCommons/revert-3192-guffysl/revert_sewing
Revert "Reverting sewing merge to diagnose testing failures"
See commit message for pull request #2923 for details. Broken unit and integration tests have been repaired. Changes to continuous_sewing_hasher and discontinuous_sewing_hasher integration tests expected due to new option namespacing.