V1.0.1

增加IPV6查询支持

cdnlookup.exe -d www.jd.com -6 -ip 240e:382:701:7700:600c:5c8:0000:0000
240e:c3:2800::26
240e:c3:2800::22
240e:95d:c02:200::3a

V1.0.0

Merge remote-tracking branch 'origin/master' into master