Add language in setup.py

setup.py

@@ -85,6 +85,10 @@ setup(name=PACKAGE,
         'Intended Audience :: End Users/Desktop',
         'License :: OSI Approved :: GNU General Public License Version 2 (GPL-2)',
         'Operating System :: OS Independent',
+        'Natural Language :: English',
+        'Natural Language :: French',
+        'Natural Language :: German',
+        'Natural Language :: Spanish',
         'Programming Language :: Python',
         'Topic :: Office/Business',
     ],