Update for v2.10.0

Update for v2.9.0

Update for v2.8.0

Update for v2.7.0

Update for v2.6.0

Update for v2.5.0

Update for v2.4.5

2.4.4

* `isset()` on `mostSpecificSubdivision` attribute now returns the
  correct value. Reported by Juan Francisco Giordana. GitHub maxmind#81.

2.4.3

* `isset()` on `name` attribute now returns the correct value. Fixes maxmind#79.

2.4.2

* Updated documentation to clarify what the accuracy radius refers to.
* Upgraded `maxmind/web-service-common` to 0.3.0. This version uses
  `composer/ca-bundle` rather than our own CA bundle. Fixes maxmind#75.
* Improved PHP documentation generation.