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/http/HTTPHome.java

@@ -81,7 +81,9 @@ public class HTTPHome implements Home {
 
 	@Override
 	public void closeHome() {
-		anHttpHandler.closeHandler();
+		if(anHttpHandler != null)
+			anHttpHandler.closeHandler();
+		anHttpHandler = null;
 	}
 
 }