Add comment to Pibrella info about buzzer not sharing PWM

(kills 3.5mm audio output).
It's a Won'tfix  to close #75

hardware/Pibrella/38-rpi-pibrella.html

@@ -106,6 +106,7 @@
     <p>Raspberry Pi Pibrella output node. The Pibrella board must be fitted.</p>
     <p>Will set the selected output high (on) or low (off) depending on the value passed in. Expects a <b>msg.payload</b> with either a 0 or 1 (or true or false).</p>
     <p>The Buzzer is a divider so low numbers are high notes. 0 is off, and the sensible lowest note is around 250-300. 2 is the highest note. 1 is just a buzz (so you can use 0/1 type inputs).</p>
+    <p><b>Note:</b> Using the buzzer is known to "kill" audio output via the 3.5mm socket.</p>
     <p>Requires the WiringPi gpio command in order to work.</p>
 </script>
 

hardware/Pibrella/README.md

@@ -27,6 +27,7 @@ The output node will set the selected output high (on) or low (off) depending on
 
 The Buzzer is a divider so low numbers are high notes. 0 is off, and the sensible lowest note is around 250-300. 2 is the highest note. 1 is just a buzz - so you can use 0/1 type inputs.
 
+**Note:** Using the buzzer is known to "kill" audio output via the 3.5mm socket.
 
 ###Input
 

hardware/Pibrella/package.json

@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-pibrella",
-    "version"       : "0.0.3",
+    "version"       : "0.0.4",
     "description"   : "A Node-RED node to read from and write to a Pibrella Raspberry Pi add-on board",
     "dependencies"  : {
     },