- enable ed25519 support (new BR: libsodium-devel)
- enable net-snmp support (new BR: net-snmp-devel)
- simplify BR for lua: lua-devel everywhere now

- update to version 4.1.0:
+ Improved DNSSEC support
+ Improved documentation
+ Improved RPZ support
+ Improved EDNS Client Subnet support
+ SNMP support
+ Lua engine has gained access to more parts of the recursor
+ CPU affinity can now be specified
+ TCP Fast Open support
+ New performance metrics
+ For complete changes see:
https://blog.powerdns.com/2017/12/04/powerdns-recursor-4-1/

- update to version 4.0.7:
+ fixes CVE-2017-15090: Insufficient validation of DNSSEC
signatures
+ fixes CVE-2017-15092: Cross-Site Scripting in the web interface
+ fixes CVE-2017-15093: Configuration file injection in the API
+ fixes CVE-2017-15094: Memory leak in DNSSEC parsing
+ Fix validation at the exact RRSIG inception or expiration time
+ Extract nested exception from Luawrapper
+ Throw an error when lua-conf-file can’t be loaded
+ Lowercase all outgoing qnames when lowercase-outgoing is set