Version bump 1.3.0

Author: NetworkJack2

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="python-generate_mac",
-    version="1.2.0",
+    version="1.3.0",
     author="GI_Jack",
     author_email="GI_Jack@hackermail.com",
     description="Library for generating Ethernet MAC addresses",