Initialize log level to nil and only set a default +debug+ in deflogger if the logger has no ansestor
Initialize log level to nil and only set a default +debug+ in deflogger if the logger has no ansestor

The result is that chained loggers will get their level from their parent unless it's explicitly set on them.

darcs-hash:20070425150507-6b9e8-2f8f93360f6a982b23a96f82ffbee994a3ea1445.gz

kmizumar/arnesi_dev