Impl, test alifestd_coerce_chronological_consistency

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 36.84211% with 12 lines in your changes are missing coverage. Please review.

Project coverage is 75.85%. Comparing base (ba7b19d) to head (907cc9d).

:exclamation: Current head 907cc9d differs from pull request most recent head 70e4990. Consider uploading reports for the commit 70e4990 to get more accurate results

Files	Patch %	Lines
..._lib/_alifestd_coerce_chronological_consistency.py	33.33%	12 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #143 +/- ## =========================================== - Coverage 97.71% 75.85% -21.87% =========================================== Files 632 633 +1 Lines 8720 8739 +19 =========================================== - Hits 8521 6629 -1892 - Misses 199 2110 +1911 ``` | [Flag](https://app.codecov.io/gh/mmore500/hstrat/pull/143/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Matthew+Andres+Moreno) | Coverage Δ | | |---|---|---| | [tests](https://app.codecov.io/gh/mmore500/hstrat/pull/143/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Matthew+Andres+Moreno) | `75.85% <36.84%> (-21.87%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Matthew+Andres+Moreno#carryforward-flags-in-the-pull-request-comment) to find out more.

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