Minor edits. Added Makefile

CHANGES

@@ -1,5 +1,9 @@
-In Progress
+Version 0.5
 -----------
+10/25/2022 ***IMPORTANT NOTE*** This is the last release to be made
+           on PyPi.  If you want the latest version go to
+	   https://github.com/dabeaz/sly.
+	   
 09/06/2022 Modernization of the packaging infrastructure. Slight
            project reorganization.
 

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