jeyb/d3.punchcard — pull request #2 by diasks2 (2013-10-09 14:36:18+00:00)
Title: Add tooltip to d3.punchcard

This is the first time I have attempted a pull request, so I'm not quite sure if I am doing it right. Sorry if I messed it up.

Thanks again for creating this cool graph!
Cheers.