v0.15.0

Features

• Remove Python 2 from package classifiers by @dopplershift in #137
• Downloadable hash library in HTML summary by @ConorMacBride in #138

Fixes

• No need to warn when falling back to other URL by @pllim in #139
• Automatically update changelog in the repo after release by @Cadair in #143

Full Changelog: v0.14.0...v0.15.0