Bumping envoy_reader version

Bumping version for clean up in PR #64

Author: gtdiehl

setup.py

@@ -50,7 +50,7 @@
 
 setuptools.setup(
     name="envoy_reader",
-    version="0.18.3",
+    version="0.18.4",
     author="Jesse Rizzo",
     author_email="[email protected]",
     description="A program to read from an Enphase Envoy on the local network",