add pip package build/upload, check version tags

pip/makefile

@@ -0,0 +1,26 @@
+# --------------------------------------------------------------------------- #
+
+SHELL := /bin/bash
+
+publish: sdist upload
+
+sdist: ../cython/py_imc_termite.pyx ../cython/imc_termite.pxd ../cython/py_imc_termite.cpp
+	cp -v $? ./
+	cp -v $(shell ls ../lib/imc_*.hpp) ./
+	tail -n $(($(cat README.md | wc -l)-10)) README.md > ./README.md
+	cp -v ../LICENSE ./
+	python3 setup.py sdist
+
+upload:
+	python3 -m twine upload dist/$(shell ls -t dist/ | head -n1)
+
+clean:
+	rm -rvf dist/
+	rm -rvf *.egg-info
+	rm -rvf build/
+	rm -rvf cython/
+	rm -vf *.pyx *.pxd
+	rm -vf *.cpp *.c *.hpp
+	rm -vf README.md LICENSE
+
+# --------------------------------------------------------------------------- #