Set state to critical if volume is set over 100%

..."warning" would suffice but eh!

Useful for headphone users. Or at least I think so... :)

bumblebee/modules/pulseaudio.py

@@ -133,6 +133,8 @@ class Module(bumblebee.engine.Module):
     def state(self, widget):
         if self._mute:
             return ["warning", "muted"]
+        if int(self._left) > int(100):
++   1       return ["critical", "unmuted"]
         return ["unmuted"]
 
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