fixed issue #1 - cam library path now has precedence

cam

@@ -3,7 +3,7 @@
 
 import os, sys
 import logging
-sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), 'lib'))
+sys.path.insert(0, os.path.join(os.path.dirname(sys.argv[0]), 'lib'))
 
 from utils import *
 from cfg import *