0.3.0

Added

• Add keyboard shortcuts.
• Add transaction-level and packet-level views of capture.
• Update documentation for multiple traffic views.
• Add backend API for USB capture devices.
• Add support for iCE40-usbtrace capture device.
• Display all descriptor types in device view.
• Add connecting lines to test output.

Fixed

• Fix handling of alternate interface settings.
• Handle descriptors that are longer than defined in the specification.
• Fix interpretation of isochronous transactions, including ambiguous cases.