update Makefile

Author: fspot

Makefile

@@ -2,6 +2,13 @@ test:
 	PYTHONPATH=. pytest tests
 
 clean:
-	find . -name '*.pyc' -o -name '*.so' -delete
+	find . -name \*.pyc -delete
+	find . -name \*.so -delete
 	find . -name __pycache__ -delete
-	rm -rf .coverage build dist UNKNOWN.egg-info
+	rm -rf .coverage build dist *.egg-info
+
+build:
+	python setup.py sdist bdist_wheel
+
+upload:
+	twine upload dist/*