morning work
Merge pull request #16 from cbyn/chris

morning work
fixed invoice_repo test
Merge pull request #17 from cbyn/chris

fixed invoice_repo test
moved data type conversion to csv readers
Merge pull request #18 from cbyn/chris

moved data type conversion to csv readers
Merge pull request #19 from cbyn/chase

Chase
fixed tests for data type conversion
Merge pull request #20 from cbyn/chris

fixed tests for data type conversion
fixed typo in csv reader and checked tests
Merge pull request #21 from cbyn/chris

fixed typo in csv reader and checked tests
fixing tests