trayo/sales_engine — pull request #55 by bayendor (2014-10-11 03:47:22+00:00)
Title: 39 add relationships

Added relationships for merchant, invoice_items, item

Converted item, invoice_items unit_price to BigDecimal

Updated tests to pass using BigDecimal

Require BigDecimal in file_loader

All mini-test tests passing

25/50 spec_harness tests passing

Closes #39