Minor fixes

ax26/classes.py

@@ -3,7 +3,7 @@ import hashlib
 import time
 from threading import Thread
 
-import util
+import ax26.util as util
 
 from ax26 import constants as const
 

ax26/client.py

 import time
 
-import classes
+import ax26.classes as classes
 
 from ax26 import constants as const