* Move path concerns to path.py and template concerns to editor.py -- BDD tests are failing
* Move path-related constants from config.py to path.py
* Mock get_templates_path in its new calling file
* Mediate template arg vs. config in controller then read template text in editor and unify those two use cases.
Some tests still failing
* Fix test whose message had changed
* poe format
* Refactor for easier unit testing and add unit tests
* Use path strings instead of Path objects in return values to prevent side effects that caused unit tests to fail on some platforms
* poe format
* Attempt to bypass getcwd errors in CI with patch
* Consistently use strings for paths instead of some strings and some pathlib.Path
* Keep pathlib within a function for readability
* fix for ruamel.yaml versions >=0.17.22
* Run poe format
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Co-authored-by: Jonathan Wren <jonathan@nowandwren.com>
