simplify and test the state module

[musslick]

Depends on

• [x] https://github.com/AutoResearch/autora-core/issues/53
• [x] https://github.com/AutoResearch/autora-core/issues/49
• If using the dict
  • https://github.com/AutoResearch/autora-core/issues/50
  • https://github.com/AutoResearch/autora-core/issues/51
  • https://github.com/AutoResearch/autora-core/issues/52

[hollandjg]

This is resolved by the newest core release.