Sync with dnsdbq changes.
- add curl timeout functionality, akin to dnsdbq's
- timestamp-inclusive logging & debugging
- can now build on Apple M processors by following the instructions in the README
- require API key passed in $DNSDB_API_KEY environment variable if not in the config file as APIKEY or DNSDB_API_KEY. Allow DNSDB_API_KEY in config file instead of APIKEY