document that ->new doesn't work on autoboxed refs

	modified:   lib/List/Objects/WithUtils/Autobox.pm
	modified:   t/00_load/lowu.t
add Hash->iter()

	modified:   lib/List/Objects/WithUtils/Role/Hash.pm
	new file:   t/02_hash/iter.t
Merge branch 'iters'

* iters:
  add Hash->iter()