Update version to 1.2 beta

Author: gigidn

setup.py

@@ -22,12 +22,12 @@
 setup(
   name = 'PyFePA',
   packages = ['PyFePA'],
-  version = '1.0.5',
+  version = '1.2.1b',
   description = 'Python object of italian FatturaPA, serialize, deserialize and verify',
   author = 'Luigi Di Naro',
   author_email = 'Luigi.DiNaro@ktec.it',
   url = 'https://github.com/ktecsrl/PyFePA',
-  download_url = 'https://github.com/ktecsrl/PyFePA/tarball/1.0.5',
+  download_url = 'https://github.com/ktecsrl/PyFePA/tarball/1.2.1b',
   keywords = ['FatturaPA', 'financial', 'utils'],
   platforms= 'OSX, *unix, win',
   package_data = {'PyFePA' : files },