* Add info about loop based on jinja2 loop var
* ansible_loop
* Update test count
* Add extended loop_control that defines whether ansible_loop should be added
* Extended needs to be defaulted
* Revert "Update test count"
This reverts commit f1e93ee469825f4cdcd90fb28667d29aa088275c.
* Add docs about loop_control.extended
* Add revindex and revindex0
* Document ansible_loop in special vars
* Add changelog fragment
* Add tests, change items to allitems so that dot notation works, fix logic error with previtem