Allow configuration of ssl version
default ssl version should be nil not false
Add test to make sure var gets set correctly
Default ssl version should be nil
Merge pull request #20 from jeffutter/configure_ssl_version

Allow configuration of ssl version
Bump for release v2.0.0
adds codes for curacao and kosovo
Merge pull request #25 from Shopify/feature/add_kosovo_and_curacao

adds codes for curacao and kosovo
version bump for new countries
Merge pull request #26 from Shopify/version/minor_bump_for_new_countries

version bump for new countries
added proxy on connections