[#59] Add support for dateutil.parser dayfirst and yearfirst arguments
The WhoisEntry object should expose a dayfirst and yearfist argument to signify
how the datetime format for the TLD should be parsed by dateutil. The base
WhoisEntry class gives both those fields a value of False. Those are also the
default values dateutil assumes.
{"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"]}