Exclude extras folder and specify version

library.json

 {
-"name": "Audio",
-"frameworks": "Arduino",
-"platforms": "Teensy",
-"keywords": "sound, audio, FFT, filter, effect",
-"description": "Teensy Audio Library",
-"url": "http://www.pjrc.com/teensy/td_libs_Audio.html",
-"downloadUrl": "http://www.pjrc.com/teensy/arduino_libraries/Audio.zip",
-"authors":
-{
-	"name": "Paul Stoffregen",
-	"maintainer": true
-},
-"repository":
-{
-    "type": "git",
-    "url": "https://github.com/PaulStoffregen/Audio"
-}
+	"name": "Audio",
+	"frameworks": "Arduino",
+	"platforms": "Teensy",
+	"keywords": "sound, audio, FFT, filter, effect",
+	"description": "Teensy Audio Library",
+	"url": "http://www.pjrc.com/teensy/td_libs_Audio.html",
+	"downloadUrl": "https://github.com/PaulStoffregen/Audio/archive/master.zip",
+	"version": "1.03",
+	"exclude": "extras",
+	"authors":
+	{
+		"name": "Paul Stoffregen",
+		"maintainer": true
+	},
+	"repository":
+	{
+	    "type": "git",
+	    "url": "https://github.com/PaulStoffregen/Audio"
+	}
 }