- search command will search using pattern (None accepted)
 - ls command will display result of advanced search

Signed-off-by: Bezleputh <carton_ben@yahoo.fr>
Signed-off-by: Romain Bignon <romain@symlink.me>

Remove useless trailing \
Remove trailing spaces
Add missing empty lines

autopep8 -ir -j2 --select=E301,E302,E502,W291,W293,W391 .

Diff quickly checked.