gruff
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Allow different line widths to be set for each data set
Thanks for the awesome gem!
We're using Gruff to generate a sleep stage hypnogram chart (see attached example below). We have thinner connecting lines between the horizontal sleep stages. It was a pretty simple change to make and it seemed like it might be useful for others.
Let me know if it's something you'd consider merging in and I can add some tests and clean it up.
Can you add test codes and fix RBS signature?