Revert "Changed the default address from0x60 to 0x40"

This reverts commit c227c10.

Author: tannewt

adafruit_pca9685/motor.py

@@ -5,7 +5,7 @@
 
 
 class DCMotors:
-    def __init__(self, i2c, address=0x40, freq=1600):
+    def __init__(self, i2c, address=0x60, freq=1600):
         self.pca9685 = pca9685.PCA9685(i2c, address)
         self.pca9685.freq(freq)
 

adafruit_pca9685/stepper.py

@@ -161,7 +161,7 @@ def onestep(self, direction, style):
 
 
 class Steppers:
-    def __init__(self, i2c, address=0x40, freq=1600):
+    def __init__(self, i2c, address=0x60, freq=1600):
         self.pca9685 = pca9685.PCA9685(i2c, address)
         self.pca9685.freq(freq)