spree/spree_active_shipping — pull request #156 by dpritchett (2013-11-21 21:34:37+00:00)
Title: Added USPS First Class Package International Service Calculator

I hard-coded the weight limit to 4oz worldwide based on my reading of the USPS API response. Feel free to extend this to match the country-specific style of the other calculators.

Cheers!
:beers: