Porting to Python3

setup.cfg

@@ -0,0 +1,2 @@
+[metadata]
+description-file = README.md

setup.py

@@ -1,14 +1,15 @@
 from distutils.core import setup
 
 setup(
-    name='CoAPthon',
-    version='4.0.2',
+    name='CoAPthon3',
+    version='1.0.0',
     packages=['coapthon', 'coapthon.caching', 'coapthon.layers', 'coapthon.client', 'coapthon.server', 'coapthon.messages',
               'coapthon.forward_proxy', 'coapthon.resources', 'coapthon.reverse_proxy'],
-    url='https://github.com/Tanganelli/CoAPthon',
+    url='https://github.com/Tanganelli/CoAPthon3',
     license='MIT License',
     author='Giacomo Tanganelli',
     author_email='giacomo.tanganelli@for.unipi.it',
+    download_url='https://github.com/Tanganelli/CoAPthon3/archive/1.0.tar.gz',
     description='CoAPthon is a python library to the CoAP protocol. ',
     scripts=['coapserver.py', 'coapclient.py', 'exampleresources.py', 'coapforwardproxy.py', 'coapreverseproxy.py'],
     requires=['sphinx', 'cachetools']