Updated .gitignore

Author: nuwang

.gitignore

@@ -1,2 +1,44 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
 
-*.png
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+dist/
+downloads/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+
+*.log
+
+# Eclipse
+.project
+.pydevproject
+
+# Sphinx documentation
+docs/_build/
+
+*.DS_Store