shinywidgets 0.2.3

• Widgets now fill inside of a fillable container by default. For examples, see the ipyleaflet, plotly, or other output examples. If this intelligent filling isn't desirable, either provide a height or fillable=False on output_widget(). (#115)
• as_widget() uses the new altair.JupyterChart() to coerce altair.Chart() into a ipywidgets.widgets.Widget instance. (#120)