Add twisted dependency, declare packages of project

Author: dionyziz

setup.py

@@ -2,8 +2,9 @@
 
 setup(
     name='python-obelisk',
-    version="0.1.2",
-    install_requires=['ecdsa', 'pyzmq'],
+    version="0.1.3",
+    install_requires=['twisted', 'ecdsa', 'pyzmq'],
+    packages=['obelisk'],
     maintainer='Dionysis Zindros',
     maintainer_email='dionyziz@gmail.com',
     zip_safe=False,