* Add unit tests
* Refactor Py and create C# function
* Update readme to include local
* Refactor solution; fix python cases
* Update tests
* Don't accept null selector for python; Create SelectedData class
* Fix Testing
* Pre review
* Fix tests for Travis
* Test fix V2
* Test fix V3
* Refactor quantbook and fix tests
* Sort list by date
* Move ConvertToSymbols to Python Util
* Address review
* Order dataframe columns by Security ID
* Address review V2
* header for PythonUtilTests