add a test for current behavior of errors
handle plain errors like they are constantly used on shopify, closes #103
reformat
formatting
Merge pull request #107 from Shopify/issue_103

Fix error handling when the API returns just a plain string instead of a hash
update changelog
add tests for current, pending, etc, closes #38
Merge pull request #108 from Shopify/fix_recurring_application_charge_status

add tests for current, pending, etc, closes #38
test recurring charges
Merge pull request #1 from trico/tests_recurring_application_charge

Tests recurring application charge