Bump version

Author: keitaoouchi

Diff for: setup.py

@@ -32,7 +32,7 @@
     author_email='[email protected]',
     url='https://github.com/keitaoouchi/easyimap',
     name='easyimap',
-    version='0.6.3',
+    version='0.7.0',
     package_dir={"easyimap": "easyimap"},
     packages=['easyimap'],
     license='BSD License',