Version 0.3.3

### Added

- Unit tests in the `tests` folder

### Changed

- Default links and dates in VersionEntry are now consistently `None`
- Changelog links dict now contains version links. 
  Modified version links will overwrite those in the table when writing to a file
- Changelog object no longer errors when creating without a path.
- `release` now resets lesser version values when incrementing
- `release` now works with logs that have only unreleased changes

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file
 
-## Unreleased
+## 0.3.3 - 2021-04-27
 
 ### Added