6.7.0

What's Changed

• prepare the documentation for the fact that we now have a CLA bot by @andlaus in #272
• Enable mypy --strict by @andlaus in #271
• fix the code computing value inheritance by @andlaus in #268
• Implement static fields by @andlaus in #274
• DiagDataDictionarySpec cleanup by @andlaus in #275
• Refactor limit handling by @andlaus in #273
• Avoid incompatible overrides by @andlaus in #276
• Make more linters happy by @andlaus in #277
• Add PositionableParam by @andlaus in #278
• Convert the parameter classes to the .from_et() pattern by @andlaus in #279
• Smallish decode fixes by @andlaus in #280

Full Changelog: 6.6.1...6.7.0