some more python3 fixes (#8)

Add python3 compatibility to raspyrfm module and lacrosss/sensors.py.
More things to fix for overall python3 suitability, but I can only test
what I personally use :-)

apps/lacrosse.py

@@ -39,7 +39,7 @@ class BaudChanger(threading.Thread):
 				dr = 9.579
 			else:
 				dr = 17.241
-			print "Switch baudrate to " + str(dr) + " kbit/s"
+			print("Switch baudrate to " + str(dr) + " kbit/s")
 			rfm.set_params(Datarate = dr)
 			self.baud = not self.baud
 

apps/sensors.py

@@ -66,7 +66,7 @@ class lacross(rawsensor):
 
         @staticmethod
         def Create(data):
-                if (len(data[0]) < 5) or (crc8(data[0]) <> 0):
+                if (len(data[0]) < 5) or (crc8(data[0]) != 0):
                     return
                 if (data[0][1] & 0x0F > 9) or (data[0][2] >> 4 > 9) or (data[0][2] & 0x0F > 9):
                     return

raspyrfm/__init__.py

@@ -1,4 +1,4 @@
-import rfm69
+from . import rfm69
 
 RFM69 = 1
 RFM9x = 2