* Code changes to save results as csv
* changes to save resultset as csv
* removed csvHelper
* Retrieve right resultSet after batch execution]
* code clean up
* encode column names and use string.Join
* code review changes - property fix and rowBuilder removal
* changes to fix execution tests
* Code clean up
* Code clean up
* Test save as CSV
* Fix tests for Mac/Linux
* Add doc comment
* Add doc comments
* Delete file if exception occurs
