Add a shift-out test bitstream.

Use a buffered synchronous FIFO in the arbiter.

Add GlasgowDevice.set_alert_tolerance convenience API.

Implement an applet system.

CLI: set voltage to 0 V after failing to set it to requested value. Otherwise, the alert gets reset, but the voltage stays where it is.

Move test targets to glasgow.test.

Add gen-seq test bitstream.

Add GlasgowDevice.get_port API.

Hack together a 3D model for Crystal_SMD_3225_4Pads.

Remove all footprints, symbols and 3D packages merged in KiCAD.