pass payment frequency and reference through to invoicer
Simplify product names in invoice descriptions
update invoice descriptions to include card ref and period
Add credit card payment support to invoicer
Don't need payment ref in line item description

goes in payment line item instead
hash data for invoice repetition, but not implementation

as not supported yet by Xero API: https://xero.uservoice.com/forums/5528-xero-core-api/suggestions/2257421-repeating-invoices-via-the-api
happy hound
hodor
Merge pull request #378 from theodi/credit-card-invoicing

Credit card invoice handling