Changes for version 1.10 - 2008-06-18
- allow specifying the extension configuration at instantiation
- add new extension "usps" that includes three soverign nations that the United States Postal Service recognizes as domestic state abbreviations
- change "Micronesia" to "Federated States of Micronesia" to avoid confusion with the region known as Micronesia, which includes seven distinct territories
- use feedback-enabled test macros (cmp_ok, is, etc) where appropriate
- replace all occurrences of ISO-3166-1 with ISO 3166-1