Candlestick charts

[Physicworld]

would be nice if you add candlestick charts to your library.
This is the matplotlib for c++ im open to collaborate im a c++ coder.

Congrats guys! excellent job!

[alandefreitas]

Thanks! Candlestick charts would be nice indeed. They are quite difficult to implement though.

Maybe as a combination of bar plots and error plots, but I'm not sure.