1.3.1
=====
- Parses empty strings in 'Read' instance.

  This also has the consequence of allowing a Version to be consisted solely of
  'versionTags'.

1.2.1
=====
- Adds changelog.

1.2.0
=====
- Implements 'IsString' Version instance.

1.1.0
=====
- Adds base conversion functions.