New search plt commands

Solves #60 (closed)

doc/lkt.1

@@ -71,6 +71,12 @@ Deletes karas from a playlist with a valid \fIquery\fP
 .TP
 \fBplt add\fP <plt-name> <query>
 Adds karas to a playlist with a valid \fIquery\fP
+.TP
+\fBplt list\fP <plt-name>
+List the content of the playlist named <plt-name>
+.TP
+\fBplt list\fP
+List all the available playlists
 .PP
 
 \fIQUEUE-COMMANDS\fP
@@ -125,6 +131,12 @@ Search and prints the kara that correspond to the query in the database
 Search, prints and add to an existing playlist the karas that match
 the query
 .TP
+\fBsearch plt\fP <plt-name>
+List the content of the playlist named <plt-name>
+.TP
+\fBsearch plt\fP
+List all the available playlists
+.TP
 \fBsearch count\fP <query>
 Search and prints the number of karas that match the query
 .TP