* Added DU() and getConfiguredDomains()
* Added docs for both new functions
* Added a space between option and its value
* Renamed "DU" to "D_EXTEND", adjusted docs
* Fixed: Changed old DU() calls to D_EXTEND()
* docs improvements
* Updated matrix as part of "go generate" (e.g. adds SSHFP row)
* Commiting full matrix file
* Added docs for SSHFP record
* Matrix: Mark OVH as SSHFP-capable in docs (see PR #482)
* Handle IPv4 "Classless in-addr.arpa delegation" RFC2317 (partial).
* Validate PTR name when in RFC2317 "Classless in-addr.arpa delegation" domains.
* Update docs
* Set CanUsePTR for Route53 and Google CloudDNS.
* BIND: Replace "/" with "_" in filenames.
* WIP
* Enable PTR records in dnsconfig.js, in BIND provider.
* Rename REVERSE() to REV().
* More accurate PTR target checking
* Document REV()
* Fix broken test