Allow an optional console widget argument to be passed in to facilitate customization that does not require sub-classing.
Allow an optional console widget argument to be passed in to facilitate customization that does not require sub-classing.

eskirk/jupyterlab,TypeFox/jupyterlab,jupyter/jupyterlab,jupyter/jupyterlab,eskirk/jupyterlab,jupyter/jupyterlab,eskirk/jupyterlab,TypeFox/jupyterlab,eskirk/jupyterlab,charnpreetsingh185/jupyterlab,TypeFox/jupyterlab,TypeFox/jupyterlab,charnpreetsingh185/jupyterlab,jupyter/jupyterlab,TypeFox/jupyterlab,charnpreetsingh185/jupyterlab,charnpreetsingh185/jupyterlab,charnpreetsingh185/jupyterlab,jupyter/jupyterlab,eskirk/jupyterlab