Update pdns_server.8
Allow logging of non-string values.
Merge pull request #887 from cmouse/remotebackend-extractors-02

Allow logging of non-string values.
Merge pull request #874 from nlmark/patch-4

Update pdns_server.8
dupicate controlsocket name in gsqlite-presigned test
increase retrieval-threads
Merge pull request #889 from mind04/axfr

Axfr
remove useless include
fix compiler warnings, thanks Morten Stevens