clean with git to avoid duplication

.gitignore

@@ -1,7 +1,4 @@
-*.py[cod]
-
-# C extensions
-*.so
+__pycache__/
 
 # Packages
 *.egg
@@ -15,38 +12,26 @@ var
 sdist
 develop-eggs
 .installed.cfg
-lib
-lib64
 
 # Installer logs
 pip-log.txt
 
-# Unit test / coverage reports
+# Coverage reports
 .coverage
-.tox
-nosetests.xml
 htmlcov
 
-# Translations
-*.mo
-
-# Mr Developer
-.mr.developer.cfg
-.project
-.pydevproject
-
 # Complexity
 output/*.html
 output/*/index.html
 
-# Sphinx
+# Sphinx documentation
 doc/_build
 
 # Vim swap files
 .*.swp
 
-# Mac junk
+# Mac OS garbage
 .DS_Store
 
-#iPython notebook junk
-.ipynb*
+# Jupyter notebook
+.ipynb_checkpoints/

Makefile

@@ -9,17 +9,7 @@ help:
 	@echo "release  package and upload to PyPI"
 
 clean:
-	# Python files.
-	find . -name '__pycache__' -exec rm -rf {} +
-	# Documentation.
-	rm -rf doc/_build
-	# Coverage.
-	rm -rf .coverage
-	rm -rf htmlcov
-	# Package build.
-	rm -rf build
-	rm -rf dist
-	rm -rf *.egg-info
+	git clean -Xdf
 
 lint:
 	flake8 --doctests --exclude=doc