Add and use a #'mpdel-add-statushandler

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>
Add an header-line to both the navigator and playlist

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>
Rename statushandler to changehandler

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>
Some utility functions

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>
header-line feature now working

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>
Sort keys alphabetically

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>
This function does not exist anymore

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>
Refactoring

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>
Let user delete an element from playlist

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>
Try to keep current position when refreshing playlist

Signed-off-by: Damien Cassou <damien.cassou@gmail.com>