Changelog for path-like

(v0.1.2.0)

• Change to ConstraintKinds style.

(v0.1.1.0)

• Add 'PathLikesuperclass toFileLikeandDirLike`.

(v0.1.0.0)

• Add FileLike and DirLike type class for using stricter types as Path b File and Path b Dir respectively.
• Add (/>) combinator for producing a Path from a DirLike and a FileLike Rel.