Bump the version to 0.2.0

Author: DaleSeo

setup.py

@@ -10,7 +10,7 @@
 
 setup(
     name="python_graphql_client",
-    version="0.1.1",
+    version="0.2.0",
     description="Python GraphQL Client",
     long_description=long_description,
     long_description_content_type="text/markdown",