Version 2: - Package now exports a defaults object
Client.defaults has been removed
All client config is now stored in client.config
All resources have been removed from the client. Instead retrieve
these from the library and inject the client. E.g. client.postcodes.retrieve becomes postcodes.retrieve(client, ...)
Helper methods (like lookupPostcode, ping) have been removed from the client.
Instead retrieve these from teh library and inject the client. E.g. client.lookupPostcode becomes lookupPostcode(client, ...)
Defaults: Uppercased default variables no longer exported.
Instead defaults object is supplied