- Flip writing order of effect colour blocks every other block write to try
and even out. Previously the bottom rows were always last to be written.
- Add more examples: ball, comet, pulser.
- Refine the keyboard layout grid for GX502.
- Use tokio to delay main loop, not thread::sleep
- Minor tweaks to error handling. Needs refactor of errors.
- Fixes race conditions (mostly) between awaits
- Fixes possible deadlock of mode changes when effect is running
- Fixes sending kill signal to effect clients
