Add --debug flag to enable debug logging, otherwise default to info…

… level

Most users probably don't care about all the work to initiate connections and
closing them again. This makes the output cleaner and could work as a good
step towards refining the output from the utility.

LGTV/__init__.py

@@ -107,9 +107,10 @@ def main():
     parser.add_argument('command')
     parser.add_argument('args', nargs='*')
     parser.add_argument('--ssl', action='store_true')
+    parser.add_argument('--debug', '-d', action='store_true', help='enable debug output')
     args = parser.parse_args()
 
-    logging.basicConfig(level=logging.DEBUG)
+    logging.basicConfig(level=logging.DEBUG if args.debug else logging.INFO)
 
     config = {}