- refactor tasker -> job
- refactor walker 'filter_fn' -> 'accept_fn'
- add skipfile action
- add touch file action
- add de/compress actions
- add DootKey.redirect_multi
- add DootKey and Locations chaining/on_fail
- add postbox subboxs
- add postbox -> task expander mixin for job
- add headonly mixin
- add basic injection of cli params