Modified the scripts to run on Raspberry Pi.

Script will check if it is run on a PI, in that case a different I2C serial library is used.

I2C_serial.py

@@ -19,6 +19,7 @@ class I2C:
 
     def __init__(self, ADDRESS='040'):
         self.I2C_Address = ADDRESS
+        self.BUS_NR = 1 # not used for Laptop but to enable Pi multiple busses.
 
 
 #    def chk_ack(self):