Various fixes in data

Merge pull request #5 from ChumburidzeGio/patch-1

Update cities in Georgia

Some fixes in state data

v0.1.5

r State fixes

+ Missing UA state codes

v0.1.4

+ UA states

Fixed some typos in state codes

v0.1.3

r Fixes

PHP helper added

v0.1.2

+ PHP helper class

First release, all ISO codes

v0.1

+ Initial commit