Fixed closing homes to actually call the close on the homes. Updated the

lowest setting on the test dim function to b 1.

Fixes #438
Fixes #440

src/main/java/com/bwssystems/HABridge/plugins/hass/HomeAssistant.java

@@ -104,5 +104,6 @@ public class HomeAssistant {
 	
 	protected void closeClient() {
 		anHttpHandler.closeHandler();
+		anHttpHandler = null;
 	}
 }