# Functions
BuildR53Input contructs an Input object for a hostedzone.
CreateR53TXTRecordChange creates an route53 Change object for a TXT record with a given name and a given action to take.
NewClient returns an awsclient.Client object to the caller.
SearchForHostedZone finds a hostedzone when given an aws client and a domain string Returns a hostedzone object.
# Interfaces
Client is a wrapper object for actual AWS SDK clients to allow for easier testing.