Merge pull request #25 from alingse/support-py3-3

fix typo

Author: alingse

setup.py

@@ -21,7 +21,7 @@
     license='Apache 2.0',
     packages=['jsoncsv'],
     classifiers=[
-        'Operating System :: OS Independent'
+        'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',