Merge pull request #6 from coreyostman/controller-number-doc

MIDI controller numbers can be 0-127

Author: ladyada

adafruit_midi.py

@@ -119,7 +119,7 @@ def pitch_bend(self, value, channel=None):
     def control_change(self, control, value, channel=None):
         """Sends a MIDI CC message.
 
-        :param int control: The controller number. Must be 0-15.
+        :param int control: The controller number. Must be 0-127.
         :param int value: The control value. Must be 0-127.
 
         """