I initially didn't put the column names in the csv file.
That was a bit perplexing because the script (even the debug version) completed without error but produced no output.
After recovering from the facepalming, I was a bit surprised to find that the version string is from the thread/page title rather than from within the OP. Doesn't matter really, just a bit of warning to others.
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Anyway, now I have it worked out I made a few minor modifications to the script so it creates a very basic "dark" version:
View attachment 548317
Can you guess where I got those greys and the link color?