Keep a Changelog 1.1.0

1. What is a changelog

   Purpose of a human-readable changelog.

2. Guiding principles

   Principles for changelogs for humans.

3. Types of changes

   Added, Changed, Deprecated, Removed, Fixed and Security.

4. How do I make a good changelog

   Unreleased section, ISO dates and linking versions.

5. Bad practices

   Commit log diffs and ignoring deprecations.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.