Link to plugwise v.1.73a0, bump to v0.57.2a0

Author: bouwew

custom_components/plugwise/manifest.json

@@ -7,7 +7,9 @@
   "integration_type": "hub",
   "iot_class": "local_polling",
   "loggers": ["plugwise"],
-  "requirements": ["plugwise==1.7.2"],
-  "version": "0.57.1",
+  "requirements": [
+    "https://test-files.pythonhosted.org/packages/48/f0/1827e260a44ac4b134dc05d1d5a6adbb1406f349c05fdbca9a8af547572b/plugwise-1.7.3a0.tar.gz#plugwise==1.7.3a0"
+  ],
+  "version": "0.57.2a0",
   "zeroconf": ["_plugwise._tcp.local."]
 }