v0.4.0

• saxi will now prevent your laptop from sleeping while a plot is in progress (macOS only).
• Allowed enabling CORS with --enable-cors.
• Fixed clip paths and other non-drawing elements being incorrectly drawn.
• Added A3 paper size (thanks to @JanWerder).
• The web UI will now show the path of the device you're connected to when hovering the 'saxi' logo.
• Replanning when only pen heights have changed is much faster.
• Added an option to disable path sorting.