Properly resetting PCA9685

I found writing of this special by in C++ implementation:
https://github.com/evankaufman/Adafruit_PCA9685_ServoControl/blob/master/PCA9685.h

The specification also mentions this byte:
http://www.adafruit.com/datasheets/PCA9685.pdf

Author: PauliusLiekis

Adafruit_PWM_Servo_Driver/Adafruit_PWM_Servo_Driver.py

@@ -35,6 +35,7 @@ def __init__(self, address=0x40, debug=False):
   def reset(self):
     if (self.debug):
       print "Reseting PCA9685"
+    self.i2c.bus.write_byte(self.__MODE1, 0x06)
     self.i2c.write8(self.__MODE1, 0x00)
 
   def setPWMFreq(self, freq):