Change _repository to repo in sales_engine tests
Merge josh-changes branch
Merge branch 'master' of https://github.com/a6ftcruton/sales_engine
Use startup to initialize sales_engine functionality.
find by methods in customer repo
find methods for invoice item repo
invoice repo find methods
find methods for item_repo
fixed my blunder
find methods for merchant repo
find methods done
fixed tests
changes for spec harness
Format names in test to match spec harness
fixed tests
fixed the infinite loop
fixed big decimal