Update version

Author: vincentwolsink

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="py-agua-iot",
-    version="0.0.20",
+    version="0.0.21",
     author="Frederic Van Linthoudt",
     author_email="[email protected]",
     description="py-agua-iot provides controlling heating devices connected via the IOT Agua platform of Micronova",