v0.3.3

• jsdom renderer now uses a local http server instead of calling a script at each invocation, improving rendering speed.
• Autocompletion of Plot methods should now be working in IDEs.
• Ensure that the needed version of the npm package is run if jsdom renderer is used.
• Debug mode also works with jsdom renderer.
• Plot generator objects now have correct __repr__ methods.
• Update anywidget to 0.2.3.
• Fix: "Exception not rethrown" errors in pytest.