Set common option format's schema so it can be completed
Adjust to periscomp 0.60, remove custom_arg_completer, rename custom_completer to completion
Adjust with periga-argv 0.49 (no longer provides orig_spec)
Bugfix: Only strip subcommand name if there is subcommands
Prepare Changes for 0.10
Remove old comment
Add test file
Add request key subcommand_name_from, more adjustment to periscomp 0.60, simplify code
Release v0.10
Add Usage section in help
ux: Show arg pos in help message
Handle args_as array/arrayref/hashref, test result_naked
Release v0.11