Bump to modern pypi.org compatible twine

bitprophet · bitprophet · commit 85a83f8052b6 · 2018-03-23T16:59:20.000-07:00
diff --git a/dev-requirements.txt b/dev-requirements.txt
@@ -3,6 +3,6 @@ invoke>=0.10.1
 invocations>=0.6.2
 semantic_version>=2.4,<2.5
 wheel==0.24
-twine==1.5
+twine==1.11.0
 releases>=1.2.0,<2.0
 flake8==2.4.0
