design: Move audio section

I want it listed last so I can select songs from a library or playlist
to play.

Signed-off-by: Anna Schumaker <schumaker.anna@gmail.com>

design.txt

@@ -67,13 +67,15 @@ Install:
 
 Printing: (include/print.h>
 	Sometimes text needs to be printed to the screen so users (or debuggers)
-	know what is going on.
+	know what is going on.  Enabling dprint() when CONFIG_TEST is enabled
+	means I will only need a single test.good file for output comparing.
+
 
 API:
 	void print(string fmt, ...)
-		Print text to the screen
+		Print text to the screen.
 	void dprint(string fmt, ...)
-		Print text to the screen when debugging is enabled
+		Print text to the screen when debugging or testing is enabled.
 
 
 
@@ -100,47 +102,6 @@ API:
 
 
 
-Audio: (lib/audio.cpp)
-	This file will introduce an "audio" namespace containing all of the
-	functions interacting with gstreamer.  This will create a wrapper
-	namespace that will be easier to work with than using raw gstreamer
-	functions.
-
-	The audio layer will also control the "pause after N tracks" feature
-	so songs can be loaded without neeting to pass in a "begin playback"
-	flag every time.
-
-- Internal:
-	Set up a message bus to look for end-of-stream and error messages so
-	the next song can be played.  This function should call the play
-	function after loading a track and after checking the "pause after N"
-	count.
-
-- API:
-	audio :: init(argc, argv)
-		Initialize the gstreamer layer and reload the track that was
-		last loaded before shutdown.  Please only pass --gst-* options
-		for argv.
-	audio :: load_file(filepath)
-		Loads a file path but does not begin playback.
-	audio :: play()
-		Begin playback
-	audio :: pause()
-		Pause playback
-	audio :: seek_to(X)
-		Seek to a position X seconds into the track
-	audio :: stop()
-		pause()
-		seek_to(0)
-	audio :: pause_after(N)
-		Pause after N tracks, pass a negative number to disable.
-	audio :: position()
-		Return the number of seconds that the song has played
-	audio :: duration()
-		Return the duration of the current song in seconds
-
-
-
 On-disk files: (lib/file.cpp)
 	Data will be stored in the user's home directory according to the
 	XDG / freedesktop.org specification.  This means storing data in
@@ -657,6 +618,47 @@ Playlist: (lib/playlist.cpp)
 
 
 
+Audio: (lib/audio.cpp)
+	This file will introduce an "audio" namespace containing all of the
+	functions interacting with gstreamer.  This will create a wrapper
+	namespace that will be easier to work with than using raw gstreamer
+	functions.
+
+	The audio layer will also control the "pause after N tracks" feature
+	so songs can be loaded without neeting to pass in a "begin playback"
+	flag every time.
+
+- Internal:
+	Set up a message bus to look for end-of-stream and error messages so
+	the next song can be played.  This function should call the play
+	function after loading a track and after checking the "pause after N"
+	count.
+
+- API:
+	audio :: init(argc, argv)
+		Initialize the gstreamer layer and reload the track that was
+		last loaded before shutdown.  Please only pass --gst-* options
+		for argv.
+	audio :: load_file(filepath)
+		Loads a file path but does not begin playback.
+	audio :: play()
+		Begin playback
+	audio :: pause()
+		Pause playback
+	audio :: seek_to(X)
+		Seek to a position X seconds into the track
+	audio :: stop()
+		pause()
+		seek_to(0)
+	audio :: pause_after(N)
+		Pause after N tracks, pass a negative number to disable.
+	audio :: position()
+		Return the number of seconds that the song has played
+	audio :: duration()
+		Return the duration of the current song in seconds
+
+
+
 Preferences: (lib/prefs.cpp)
 	Preferences make use of a special index where the set<int> is always
 	size 1.  Preferences will be in the prefs namespace.

design/audio.txt

@@ -5,7 +5,7 @@
 		audio.cpp
 
 == Depends ==
-version print
+playlist
 
 Audio: (lib/audio.cpp)
 	This file will introduce an "audio" namespace containing all of the