Moved password validation to PasswordHelper in whois-client
Made IterableTransformer chainable
Extended Attribute.toString() to help debug equals() failures
Added password support to Query
(not accessible from port43; there is no corresponding QueryFlag)
extended FilterAuthFunction to support passwords
updated whoisrestservices to support passwords in lookups
also removed authentication in favor of PasswordHelper
Removed unused filtering in whoisobjectmapper
optimized filteremailfunction
removed filtering from tests
added test for ?password=...&unfiltered