Release v0.5.0 (#28)

Use vanity import path, release 0.4.0 (#11)

Release v0.3.0 (#8)

### Changed
- Renderer: Don't render links if Resolver returns an empty destination.

Release v0.2.0 (#6)

### Added
- Node: Add `Fragment` field to track the `#` portion of a link.

### Changed
- Parser: Pull apart `#` portion of a link into Fragment field.
- Renderer: Support links without titles. This makes wikilink references to
  headers in the same document possible with `[[#Foo]]` possible.

Release v0.1.0 (#2)

Tag an initial v0.1.0 release of the library.