Changes between #391 and #848

#848 (01-Feb-2017 00:00:09)

1. Fixed regex checking of dedup enabled. (commit: 5df10769c1628b7627430475084fa62c681e8ad5) — Colin Rosenthal (csr) / detail
2. Partial implementation. (commit: d42dabddbfb0de58697a4b1f06cdc6095863ff98) — Colin Rosenthal (csr) / detail
3. Fixed handling of multiple replicas, plus logging and special cases. (commit: 5a45eb18ff0e7bfd00d22af8c6afd5ee087c1a87) — Colin Rosenthal (csr) / detail