JSON Schema files are pointing to the wrong place

[RoryMMMM]

I'm trying to create a python data model using the JSON schema docs provided in this git repo but I'm getting 404 errors because some of the published schema files are pointing to ver 1.5.1 paths that no longer exist:

{

      "type": "object",
      "$schema": ["http://json-schema.org/draft-04/schema#"](http://json-schema.org/draft-04/schema#),
      "id": ["https://signalk.org/specification/1.5.1/schemas/signalk.json#"](https://signalk.org/specification/1.5.1/schemas/signalk.json#),
      "title": "SignalK",
      "description": "Root schema of Signal K. Contains the list of vessels plus a reference to the local boat (also contained in the vessels list).",
  ...

https://signalk.org/specification/1.5.1/schemas/signalk.json doesn't go anywhere. Version 1.8.2 does though!

So the issue seems to be some combination of:

• Old schema versions are no longer available through github pages (I would expect any valid version number to work, there is an edge case of someone wanting to use an outdated spec to test something...)
• URL's in the specifications are not being updated on versions pushes: The file at https://signalk.org/specification/1.8.2/schemas/signalk.json tells me it is version 1.5.1