Prepare for 0.3.0

Author: fabaff

setup.py

@@ -15,7 +15,7 @@
 
 setup(
     name="opensensemap-api",
-    version="0.2.0",
+    version="0.3.0",
     description="Python client for interacting with the openSenseMap API.",
     long_description=long_description,
     url="https://github.com/home-assistant-ecosystem/python-opensensemap-api",