Minor edits. Added Makefile

Makefile

@@ -0,0 +1,21 @@
+PYTHON=python3
+VENV=.venv
+
+# Setup and install all of the required tools for building, testing,
+# and deploying
+setup::
+	rm -rf $(VENV)
+	$(PYTHON) -m venv $(VENV)
+	./$(VENV)/bin/python -m pip install pytest
+	./$(VENV)/bin/python -m pip install pytest-cov
+	./$(VENV)/bin/python -m pip install build
+	./$(VENV)/bin/python -m pip install twine
+
+# Run unit tests
+test::
+	./$(VENV)/bin/python -m pip install .
+	./$(VENV)/bin/python -m pytest --cov
+
+# Build an artifact suitable for installing with pip
+build::
+	./$(VENV)/bin/python -m build