Implement some more commands

src/request.rs

@@ -52,12 +52,14 @@ pub enum Request {
     Clear,
     Delete(OneOrRange),
     DeleteId(SongId),
-    Move(OneOrRange, SongPosition),
-    MoveId(SongId, SongPosition),
+    // TODO: account for relative moves
+    Move(OneOrRange, AbsouluteRelativeSongPosition),
+    // TODO: account for relative moves
+    MoveId(SongId, AbsouluteRelativeSongPosition),
     Playlist,
     PlaylistFind(Filter, Option<Sort>, Option<WindowRange>),
     PlaylistId(SongId),
-    PlaylistInfo(OneOrRange),
+    PlaylistInfo(Option<OneOrRange>),
     PlaylistSearch(Filter, Option<Sort>, Option<WindowRange>),
     // TODO: which type of range?
     PlChanges(Version, Option<WindowRange>),
@@ -66,7 +68,7 @@ pub enum Request {
     // TODO: which type of range?
     Prio(Priority, WindowRange),
     PrioId(Priority, Vec<SongId>),
-    RangeId(SongId, WindowRange),
+    RangeId(SongId, TimeInterval),
     Shuffle(Option<OneOrRange>),
     Swap(SongPosition, SongPosition),
     SwapId(SongId, SongId),