item(s) and transaction(s) fixed?
Merge branch 'master' into c9c9

Conflicts:
	coverage/.resultset.json
	coverage/index.html
	lib/sales_engine.rb
	test/sales_engine_test.rb
	test/transaction_repository_test.rb
Merge pull request #64 from bmrsny/c9c9

item(s) and transaction(s) fixed?