update pypi version

Author: reiinakano

setup.py

@@ -33,7 +33,7 @@ def run_tests(self):
 
 setup(
     name='xcessiv',
-    version='0.5.0',
+    version='0.5.1',
     url='https://github.com/reiinakano/xcessiv',
     license='Apache License 2.0',
     author='Reiichiro Nakano',

xcessiv/__init__.py

@@ -2,7 +2,7 @@
 from flask import Flask
 
 
-__version__ = '0.5.0'
+__version__ = '0.5.1'
 
 
 app = Flask(__name__, static_url_path='/static', static_folder='ui/build/static')