ihaskell_labextension for JupyterLab 1.0.0
ihaskell_labextension for JupyterLab 1.0.0

If we remove the upper version bound for the jupyterlab/services
dependency, then ihaskell_labextension works fine with JupyterLab 1.0.0.

gibiansky/IHaskell,gibiansky/IHaskell,gibiansky/IHaskell