add (failing) immarray_of readonly tests
Some failing code \o/
notes
Add Role::Array::TiedRO

This role is currently applied to typed immutable arrays to induce immutable
behavior on Type::Tie tied arrays.

Need a similar implementation for hashes.

Probably all immutable types should just become tied; SvREADONLY behavior
appears to have changed in 5.19, so we should likely at least be doing this
for perls > 5.18.

	modified:   lib/List/Objects/WithUtils/Array/Immutable/Typed.pm
	new file:   lib/List/Objects/WithUtils/Role/Array/TiedRO.pm
	modified:   t/06_immutable_typed/immarray_of.t
Merge branch 'ties'

* ties:
  Add Role::Array::TiedRO
  notes
  Some failing code \o/
  add (failing) immarray_of readonly tests