Upgrade setup version (#9)

Author: mortymacs

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name="abcmeta",
-    version="2.0.0",
+    version="2.1.0",
     author="Morteza NourelahiAlamdari",
     author_email="[email protected]",
     description="Python meta class and abstract method library with restrictions.",