Update setup.py

Author: vvaezian

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="metabase-api",
-    version="0.3.0",
+    version="0.3.1",
     author="Vahid Vaezian",
     author_email="vahid.vaezian@gmail.com",
     description="A Python Wrapper for Metabase API",