geoip: simplify the get/set data bits
added GeoIP2 support, partial ASN support
remove unused var
ASN lookups now work
strip off AS prefix
added call to ->set_asn
base: removed redundant code from is_ipv6
Merge pull request #139 from msimerson/geoip

geoip: add GeoIP2 and ASN support
Base: consistent DNS handling
async_resolver: suppress test warning when

Net::DNS::Async not installed.