Version up to v0.5

CHANGELOG.md

 # Change Log
 
+## v0.5
+### Added
+- `Dockerfile` for CombSQL+
+
+### Changed
+- Use `os.kill` instead of `Process.kill` to fix a bug that does not work with python 3.6
+- Remove trivial `SELECT` to reduce the number of nesting
+
 ## v0.4
 ### Added
 - Support `INTERSECT` operator

setup.py

@@ -25,7 +25,7 @@ with open(path.join(here, 'README.md'), encoding='utf-8') as f:
 
 setup(
     name='combsqlplus',
-    version='0.3',
+    version='0.5',
     description='CombSQL+',
     long_description=long_description,
     url='https://git.trs.css.i.nagoya-u.ac.jp/combsql/combsqlplus',