`CSVParser.ParseDefinedCSV` crashes when there is a blank line at the end of the file. 

When `ParseDefinedCSV` method of the `CSVParser` class is called on this file:
```
Part Number
304002360400
304002360500
304002360600
304002360700
304002360701
```
it work's fine. However when it is called on this file
```
Part Number
304002360400
304002360500
304002360600
304002360700
304002360701
<BLANK LINE HERE>
```
it crashes.