respond to inappropriate libraries version

上野晶鋭 · 上野晶鋭 · commit d9af7f320284 · 2015-03-31T09:56:43.000+09:00
diff --git a/setup.py b/setup.py
@@ -13,8 +13,8 @@
                         'httplib2',
                         'simplejson',
                         'argparse',
-                        'prettytable>=0.5',
-                        'parsedatetime>=0.8.7',
+                        'prettytable==0.5',
+                        'parsedatetime==0.8.7',
                         'lxml',
                         ],
       entry_points={
