Merge branch 'release/3.2.1.7' into develop
get_ups_shipping_cost can be called without carrier in case of on_change
Merge pull request #51 from tarunbhardwaj/develop

get_ups_shipping_cost can be called without carrier in case of on_change
Released version 3.2.1.8
Merge branch 'release/3.2.1.8'