add a makefile... just so I can release more easily

Makefile

@@ -0,0 +1,20 @@
+
+build/publish/bin:
+	virtualenv build/publish
+	build/publish/bin/pip install wheel twine
+
+checkversion:
+	git log -1 --oneline | grep -q "Bump version" || (echo "DID NOT DO VERSION BUMP"; exit 1)
+	git show-ref --tags | grep -q $$(git log -1 --pretty=%H) || (echo "DID NOT TAG VERSION"; exit 1)
+
+dist: checkversion build/publish/bin
+	build/publish/bin/python setup.py sdist
+	build/publish/bin/python setup.py bdist_wheel
+
+publish: dist/ build/publish/bin
+	build/publish/bin/twine upload dist/*
+
+clean:
+	rm -rf build/ dist/
+
+.PHONY: checkversion dist publish clean