Remove unused signal

Signed-off-by: Michal Čihař <michal@cihar.com>
Do not use deprecated interface

Signed-off-by: Michal Čihař <michal@cihar.com>
Better wrap long lines

Signed-off-by: Michal Čihař <michal@cihar.com>
Make parameters attributes

This easies further processing.

Signed-off-by: Michal Čihař <michal@cihar.com>
Make logger an class attribute

Signed-off-by: Michal Čihař <michal@cihar.com>
Do not create regexp explicitely

Signed-off-by: Michal Čihař <michal@cihar.com>