Use twine to upload releases.

Author: waylan

makefile

@@ -20,9 +20,11 @@ install:
 
 .PHONY : deploy
 deploy:
+rm -rf dist
 python setup.py register
 python setup.py sdist --manifest-only
-python setup.py sdist --formats zip,gztar bdist_wheel --universal upload
+python setup.py sdist --formats zip,gztar bdist_wheel --universal
+twine upload dist/*
 
 .PHONY : build
 build: