Bump version to 0.3.1

Author: ento

setup.py

@@ -14,7 +14,7 @@
 
 setup(
     name='elm-doc',
-    version='0.3.0',
+    version='0.3.1',
     url='https://github.com/ento/elm-doc',
     license='BSD 3-clause',
     author='Marica Odagaki',