offset the date range for ground shipping transit times
fix failing CanadaPost tests; changing ['eparcel']['turnAroundTime'] to ['eparcel']['ratesAndServicesRequest']['turnAroundTime'] in turn_around_time tests
Merge pull request #73 from Shopify/fix_failing_canada_post_tests

Fix failing CanadaPost tests
fixing the calculation of shipping dates
Merge pull request #74 from Shopify/add_shipping_delay_to_fedex_ground

Make Fedex ground transit recognize turn_around_time parameter
Updated delivery date range to use Business Days
Whitespace removal
Changed 'and' to '&&'
Fixed test failure due to time zones, removed commented-out test
Use full list of params for blocks
Merge pull request #77 from Shopify/fix-failing-1.8.7-tests

Use full list of params for blocks
Adds Travis CI integration
Merge pull request #79 from Shopify/travis_ci

Adds Travis CI integration