Fixed login validator, added some debug lines

ddns_updater.py

@@ -38,14 +38,20 @@ def main(hostname, url, username, password):
     click.echo('Updating DNS for ' + hostname)
     (directadmin_zone, directadmin_name) = get_zone_and_name(hostname)
 
-    da_client = get_directadmin_client(url, username, password)
+    da_client = ""
+    try:
+        da_client = get_directadmin_client(url, username, password)
+    except DirectAdminClientException as e:
+        click.echo(e)
+        exit(1)
     current_ip = requests.get('https://icanhazip.com').text.strip()
     hostname_resolves_to = socket.gethostbyname(hostname).strip()
 
-    click.echo(current_ip)
-    click.echo(hostname_resolves_to)
+    click.echo("Current External IP: {}".format(current_ip))
+    click.echo("Hostname resolves to: {}".format(hostname_resolves_to))
 
     if current_ip != hostname_resolves_to:
+        click.echo("Current IP has changed, updating...")
         try:
             response = da_client.update_dns_record(directadmin_zone,
                                                    "A",