libsaria: Added queue

I do this as a double-ended queue so I can remove songs anywhere I want
(and hopefully re-order them later, too).

include/libsaria/queue.h

@@ -0,0 +1,18 @@
+#ifndef LIBSARIA_QUEUE_H
+#define LIBSARIA_QUEUE_H
+
+#include <libsaria/track.h>
+#include <list>
+using namespace std;
+
+namespace libsaria
+{
+	namespace queue
+	{
+
+		void add_ids(list<ino_t> &);
+
+	}
+}
+
+#endif /* LIBSARIA_QUEUE_H */

libsaria/queue/queue.cpp

@@ -0,0 +1,20 @@
+
+#include <list>
+#include <queue>
+using namespace std;
+
+#include <libsaria/queue.h>
+
+static deque<ino_t> playqueue;
+
+namespace libsaria
+{
+
+	void queue::add_ids(list<ino_t> &ids)
+	{
+		playqueue.insert(playqueue.end(), ids.begin(), ids.end());
+		print("Queue size: ");
+		println(playqueue.size());
+	}
+
+} /* Namespace: libsaria */