* Assign an owner when creating a dataset from a csv, excel or columnar
* Added some unit tests
* Code cleanup
* Removed blank line
* Attempt to fix a broken test
* Attempt # 2 to fix a broken test
* Attempt # 3 to fix a broken test
* Attempt # 4 to fix a broken test
* Attempt # 5 to fix a broken test
* Attempt # 6 to fix a broken test
* Broken test fixed, code cleanup