[#71] missing .mobi, .io, .kg, .su, .biz
added classes with inheritance of existing ones, because of same
registrar.
.kg is trickier. it's registrar is unique, and i haven't figured out
how to parse name_servers properly
{"updated_date": ["13-mar-2007"], "expiration_date": ["20-feb-2010"], "status": ["clientDeleteProhibited", "clientRenewProhibited", "clientTransferProhibited", "clientUpdateProhibited"], "domain_name": ["DIGG.COM", "DIGG.COM"], "creation_date": ["20-feb-2000"]}