Add citation for setup.py bug
Clarify
Return helpful message if twine-{{command}} is not valid

Fixes #52
Print message for ENOENT only and add test
Merge pull request #62 from sigmavirus24/helpful-errors

Return helpful message if twine-{{command}} is not valid
Expand globs and check for existence of dists to upload

Closes #65
Factor glob expansion into separate function
Add tests for new twine-upload functionality
Merge pull request #66 from sigmavirus24/bug/65

Expand globs and check for existence of dists to upload
Merge pull request #51 from hickford/patch-1

Add citation for setup.py bug
add support for uploading windows installers
Merge pull request #68 from sigmavirus24/pr/26

Add support for uploading windows installers