* Add natural sort order as an option for the sort verb
* Add natural sort order as an option for the sort DSL function
* doc-build artifacts for on-line help
* webdocs
* codespell fix
* unit-test files for sort verb
* unit-test files for sort DSL function
* todo
* Neaten existing DSL sketch
* rebase on #893, and sketch
* code-complete
* build artifacts for previous commit
* replace - with _ in shift and slwin