Performs the Localities methods: three-tier locality dataset, two-tier locality dataset,
using the "query" string provided - should be the "Localities.xml" part of the url. It shouldn't include "http://api.trademe.co.nz/v1/".
public LocalityCollection RetrieveLocalities(string query) { var getRequest = _connection.UnauthenticatedConnection(query); var xml = getRequest.ToString(); return Deserializer<LocalityCollection>.Deserialize(new LocalityCollection(), xml); }