Merge pull request #3 from pypyr/dev

add twine to deploy build deps

Author: thomas

setup.py

@@ -88,7 +88,7 @@
     extras_require={
         'dev': ['check-manifest', 'flake8'],
         'test': ['pytest', 'pytest-cov', 'tox'],
-        'deploy': ['bumpversion']
+        'deploy': ['bumpversion', 'twine']
     },
 
     # If there are data files included in your packages that need to be