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_pi.py

@@ -35,9 +35,9 @@ class I2C:
         bus = smbus.SMBus(self.bus_nr)
         try:
             rd_value = bus.read_i2c_block_data(self.I2C_Address, register, bytes_to_read)
-            ret_value = []
+            ret_value = ''
             for cnt in range(bytes_to_read):
-                ret_value.append(hex(rd_value[cnt])[2:]) 
+                ret_value += (hex(rd_value[cnt])[2:])
             ret_ack = 1
         except IOError, err:
             ret_ack = 0