Fix make clean command on osx

Author: dhoomakethu

Makefile

@@ -58,8 +58,8 @@ publish: install
 	$(MAKE) clean
 
 clean:
-	@rm -Rf *.egg .cache .coverage .tox build dist docs/build htmlcov
-	@find -depth -type d -name __pycache__ -exec rm -Rf {} \;
-	@find -type f -name '*.pyc' -delete
+	@rm -Rf *.egg .eggs *.egg-info *.db .cache .coverage .tox build dist docs/build htmlcov doc/_build test/.Python test/pip-selfcheck.json test/lib/ test/include/ test/bin/
+	@find . -depth -type d -name __pycache__ -exec rm -Rf {} \;
+	@find . -type f -name '*.pyc' -delete
 
 .PHONY: default install reset check test tox docs publish clean