…mns. (#70)

* 🔖 v1.2.1 Added `@make_connector` and allow for omitting datetime columns.

* 🚚 Rename CI job from `build` to `build_and_test`.

* 🐛 Patch `determine_version()` behavior to handle plugins.

* 🚨 Symlink to global interpreter if the venv doesn't contain a versioned symlink.

* 🐛 Fixed venv verification bugs.