Bump version to 1.4.

Fixes #125

Bump to version 1.3.

github: Add missing python3-setuptools dependency.

Bump to version 1.1.

Bump to version 1.0

Add twine package.

travis: Return to top dir before deployment.

Bump version.

Fixes #24

Bump version number.

Issue #5.

Note on uploading to pipy (issue #71)