prepares release

Author: WolfgangFahl

migration/setup.py

@@ -12,7 +12,7 @@
     long_description = open('../README.md').read()
 
 setup(name='OpenResearchMigration',
-      version='0.0.20',
+      version='0.0.21',
       description='python api to access OPENRESEARCH data',
       long_description=long_description,
       long_description_content_type='text/markdown',
@@ -40,6 +40,5 @@
           'python-dateutil',
           'py-3rdparty-mediawiki',
           'wikitextparser'
-
       ],
       zip_safe=False)