v0.4.1

What's Changed

• new changelog section by @keewis in #235
• license metadata by @keewis in #236
• customize RTD build jobs by @keewis in #237
• remove the call to jupyter_dependencies_are_installed by @keewis in #238
• don't crash on newlines before the code by @keewis in #239
• release v0.4.1 by @keewis in #240

Full Changelog: v0.4.0...v0.4.1