Create Makefile for testing / watch + tests and docs

See also: #141

Author: tony

Makefile

@@ -0,0 +1,11 @@
+test:
+	./run-tests.py
+
+watch_test:
+	if command -v entr > /dev/null; then find . -type f -not -path '*/\.*' | grep -i '.*[.]py' | entr -c make test; else make test; echo "\nInstall entr(1) to automatically run tests on file change.\n See http://entrproject.org/"; fi
+
+build_docs:
+	cd doc && $(MAKE) html
+
+watch_docs:
+	if command -v entr > /dev/null; then find . -type f -not -path '*/\.*' | grep -i '.*[.]rst' | entr -c make build_docs; else make build_docs; echo "\nInstall entr(1) to automatically run tests on file change.\n See http://entrproject.org/"; fi