Handle UTF-8 problem filter input

Closes rhbz#1086037

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Fix XDG_RUNTIME_DIR not set messages by creating one

Closes rhbz#1106667

Signed-off-by: Jakub Filak <jfilak@redhat.com>
New version 0.3.7