Lehmkuhl <michael@electricpulp.com>
- Don't check expiration for ECHECK and refunds
- For the unsupported "void" action, return is_success 0 and error
msg suggesting "credit" action, instead of croaking. This way the
"try void first, if it fails, try credit" idiom will work.
- tests: enable check.t and add crypt_check.t and {crypt_}bad_check.t
- update with new test account