4.0.0-rc.0

- Breaking: Drops support for Node 0.12, we now require at least Node 4.
- Breaking: Update PostCSS to 6.0.0.
- Breaking: `removeAfterKeyword` is now set to `false` by default. This is to avoid incorrectly discarding emoji font families.
- Removed support for compressing whitespace, this is now delegated to postcss-normalize-whitespace.

# 1.0.5

- Resolves an issue where `var` would be removed from `font-family` values (@ben-eb).

# 1.0.4

- Ignores duplicated `monospace` definitions (@ben-eb).

# 1.0.3

- Resolves an issue where the module would remove quotes from font families that began with numbers (@ben-eb).

# 1.0.2

- Upgraded postcss-value-parser to version 3 (@TrySound).

# 1.0.1

- Add repository link to `package.json` (@TrySound).

# 1.0.0

- Initial release (@TrySound).