Modify audio player volume by 2% instead of 5%

src/controller/buffers.py

@@ -315,12 +315,12 @@ class baseBuffer(object):
 				pass
 
 	def volume_down(self):
-		""" Decreases player volume by 5%"""
-		player.player.volume = player.player.volume-5
+		""" Decreases player volume by 2%"""
+		player.player.volume = player.player.volume-2
 
 	def volume_up(self):
-		""" Increases player volume by 5%"""
-		player.player.volume = player.player.volume+5
+		""" Increases player volume by 2%"""
+		player.player.volume = player.player.volume+2
 
 	def play_audio(self, *args, **kwargs):
 		""" Play audio in currently focused buffer, if possible."""

src/controller/mainController.py

@@ -808,10 +808,10 @@ class Controller(object):
 			self.search("me_audio").play_all()
 
 	def menu_volume_down(self, *args, **kwargs):
-		player.player.volume = player.player.volume-5
+		player.player.volume = player.player.volume-2
 
 	def menu_volume_up(self, *args, **kwargs):
-		player.player.volume = player.player.volume+5
+		player.player.volume = player.player.volume+2
 
 	def menu_mute(self, *args, **kwargs):
 		player.player.volume = 0

src/presenters/player.py

@@ -98,6 +98,10 @@ class audioPlayer(object):
 	def volume(self, vol):
 		if vol <= 100 and vol >= 0:
 			self.vol = vol
+		elif vol < 0:
+			self.vol = 0
+		elif vol > 100:
+			self.vol = 100
 		if self.stream != None:
 			self.stream.volume = self.vol/100.0