Update loging

The issue is apparent when we try to enter those commands on Sakura: lkt pwd="password" adm import.

The log output is confusing. We need a way to change the characters for the logging level with strings. For lkt the default would be the string to be more verbose and less confusing for the user, for lektord we could change the behavior based on a config flag.

Verbose	Contracted
DEBUG	a space
INFO	.
WARN	#
ERROR	!