[log] add imports from log to insure created log level are included

tomwer/__init__.py

@@ -31,6 +31,8 @@ __date__ = "23/05/2016"
 
 import os as _os
 import logging as _logging
+from tomwer.core.log import logger
+from tomwer.core.log import processlog
 
 
 # Attach a do nothing logging handler for silx