v0.2.0

Added

plt

• Functionality for drawing to provided backend through Figure::draw_to_backend.

plt-draw

• Alternate CairoCanvas constructor for providing the cairo::Context: CairoCanvas::from_context.
• size function to the Canvas trait for getting the size of a canvas.

Changed

plt

• Changed default figsize to more reasonable value.

Fixed

plt

• Figsize was only using one dimension.
• Fixed doc error.