Bump version to 0.3.1. Version includes InotifyObserver

Signed-off-by: Gora Khargosh <gora.khargosh@gmail.com>
diff --git a/setup.py b/setup.py
index 5886d5f..8798666 100644
--- a/setup.py
+++ b/setup.py
@@ -8,8 +8,8 @@
 from setuptools.command.build_ext import build_ext
 from distutils.util import get_platform
 
-VERSION_INFO = (0,3)
-VERSION_STRING = "%d.%d" % VERSION_INFO
+VERSION_INFO = (0,3,1)
+VERSION_STRING = "%d.%d.%d" % VERSION_INFO
 
 logging.basicConfig(level=logging.DEBUG)