* vc-pijul: Replace use of obsolete if-let and when-let.

Remove vc-pijul-Clone.

* vc-pijul (vc-pijul-Clone): Remove
(vc-pijul-remotes-history): Remove.  GNU Emacs version 31.1 ships with
interactive vc-clone command.
* README: update.

Bump version to 0.3

* README: Update.
* vc-pijul: Update headers.

Use not-newline with rx instead (not (any "\n")).

Fix vc-pijul-state.

Fix vc-pijul-registered.

Add vc-pijul-clone.

* vc-pijul (vc-pijul-clone): New function.
(vc-pijul-Clone): New command.
(vc-pijul-remotes-history): New history variable.
Update comment section.

Add vc-pijul--out-json-read.

Update commentary section.

Show state in *vc-change-log* buffer.

Fix typo in vc-pijul-show-log-entry.

Enhance vc-pijul-annotate-time.

Add autoload for vc-pijul-registered.

Bump version and update README.

Add annotation features.

Enhance vc-pijul-default-remote.

Bind vc-pijul-log-unrecord in vc-pijul-log-view-mode-map.

Fixes.

Add vc-pijul-dir-status-files.

Add README