Count lines for better error reporting

Created by: JoeGermuska

I added a mechanism for counting line numbers and including it in error output to make it easier to find problems reading input files. I added something to increment the line number to csvcut, csvgrep, csvjson, and csvlook.

I couldn't figure out a straightforward way to add this behavior to the other scripts. It may not even apply to any of them, but we should consider adding this behavior (or other improved error reporting) to: