* Throw an error if path failed to expand
Previously, it just repeated the non-expanded path.
* Allow expanding non-existent paths
This commit has a strange error in examples.
* Specify span manually in examples; Add an example
* Expand relative path without requiring cwd
* Remove redundant tilde expansion
This makes the tilde expansion in relative paths dependant on "dirs"
feature.
* Add missing example result
* Adjust path expand description
* Fix import error with missing feature