Can you again review the branch? I just pushed some minor changes.
Done. I cross checked the tests against my modifications and every change I detected was an improvement 
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Can you please create a PR now? I will do a formal review of the code changes on github then.
For now I would keep it at 4 bits. The better approach for the parsers would be to move them into a custom model to avoid this limitation at all but let them us simplify first
Great, sounds like a plan!
Also should we increase from 20 to 24km/h? If yes, let’s do this in a separate PR afterwards.
Yes, we should increase it in a separate PR, independent of the bit size change for speed.