#337 Exclude bottom x rows from import

[Steve Keen]

The CSV file has a lot of text at the end which throws the import routine off. If we could add an "exclude bottom x rows" option on importing, this hassle would be manageable. Otherwise the file has to be edited in Excek by the user to delete those rows.

[High Performance Coder]

I'm not convinced this feature is all that useful. To figure out how many lines to exclude, you'd need to open the CSV file in a spreadsheet, or text editor anyway, in which case, you may as well just delete the offending lines and be done with it.

[Steve Keen]

But that means you can't work with the original file. And if you have to
use Excel to trim the data, then people might stick with Excel for the
analysis as well. We need to make using Ravel as seamless as possible to
get users to adopt it.