Bump to v0.13.0a4

bouwew · bouwew · commit 34a3b21e2cb8 · 2021-08-20T19:36:49.000+02:00
diff --git a/plugwise/__init__.py b/plugwise/__init__.py
@@ -1,6 +1,6 @@
 """Plugwise module."""
 
-__version__ = "0.13.0a3"
+__version__ = "0.13.0a4"
 
 from plugwise.smile import Smile
 from plugwise.stick import Stick
