Bump version to 1.0.3

Author: twiebe

setup.py

@@ -13,7 +13,7 @@
 
 setup(
     name='gs_api_client',
-    version='1.0.2',
+    version='1.0.3',
     description='Official Python idiomatic client for gridscale services',
     long_description=long_description,
     long_description_content_type="text/markdown",