Add option to always use iso codes
Update README to reflect new global iso codes option
Make iso code option spec actually test the right thing
Added Zimbabwe/ZW

Zimbabwe is on the https://en.wikipedia.org/wiki/ISO_3166-1 list, yet it disappeared here
Merge pull request #26 from kennethkalmer/patch-1

Added Zimbabwe/ZW
Uppercase ISO codes
Merge pull request #32 from bradleypriest/uppercase

Uppercase ISO codes
update locks
after the test runs make sure to cleanup global flags
Merge branch 'pr/25'
Added simple and verbose Countries GEM dependency.
Merge pull request #34 from auzroz/master

Simple and verbose integration of hexorx/Countries
Enabled random order in RSpec
Updated ISO ecxample in README
Merge pull request #35 from auzroz/master

Updated RSpec random order and README example.
Return countries in alphabetical order in select
Merge pull request #38 from georgepalmer/master

Return countries in alphabetical order in select