WIP: Improve config parsing, make --verbose and --config-file global options

Bonus: Generalize and reuse cmd_ssh()

Signed-off-by: InsanePrawn <insane.prawny@gmail.com>

logger.py

@@ -2,17 +2,15 @@ import click
 import logging
 import sys
 
-
 def setup_logging(verbose: bool):
-    level = logging.INFO
-    if verbose:
-        level = logging.DEBUG
+    level = logging.DEBUG if verbose else logging.INFO
     logging.basicConfig(
         stream=sys.stdout,
         format='%(asctime)s %(levelname)s: %(message)s',
         datefmt='%m/%d/%Y %H:%M:%S',
         level=level,
     )
+    logging.debug('Logging set up.')
 
 
 verbose_option = click.option(