update setup.py

Author: IdanHaim

setup.py

@@ -3,7 +3,7 @@
 setup(
     name='pyravendb',
     packages=find_packages(),
-    version='1.3.0',
+    version='1.3.1',
     description='This is the official python client for RavenDB document database',
     author='Idan Haim Shalom',
     author_email='haimdude@gmail.com',