Merge pull request #96 from wade1012/dev

fix bug ipv4
Merge pull request #97 from forumbyr/master

fix bug: domain/ns search for '中国*'
Merge pull request #98 from forumbyr/master

fix bug: domain/ns search for '中国*' - decode for iso8859
test
test
Merge pull request #13 from cnnic/dev

Dev
Merge pull request #100 from topwangheng/dev

Dev
Merge pull request #14 from cnnic/dev

Dev
add isIpValid
modify NSSearch Test xml
Merge remote-tracking branch 'remoteGit/dev' into dev
Merge pull request #101 from wade1012/dev

Dev Wade
Merge pull request #8 from cnnic/dev

Dev