immersivelabs/VespolinaCore — pull request #10 by iampersistent (2013-01-30 05:22:54+00:00)
Title: move BillingInvoice work into BillingRequest

After discussing this, it became apparent that BillingInvoice and BillingRequest are the same thing. I suggested using BillingRequest over BIllingInvoice to avoid confusion with the recording keep Invoice.