* IANA is now the authority source of TLDs instead of Wikipedia
* * Updated TLDs
* * Added `TLD#sponsoring_organization` method
* * All TLD subclasses now start with 'TLD' in order to accommodate non-ASCII
* TLDs
* * `TLD::UnknownTldError` has been renamed `UnknownTLDError`
* Version bump to 0.7.0