renamed sub_composite_... to child_composite...
parent index map updated for multiple parents
multiple parent implementation passing with prior tests - new tests not yet written
added register/unregister parents and corresponding spec
update for parent_instance parameter in child hooks
YARD updates
YARD updates
update for multiple parents, version push to 1.1.0
renamed has_parent? to is_parent?, multiple parent support updates; not yet changed type not to inherit from Array for splat lazy load support - next
removed length from child hooks since they are always called once-per-object from parent
update to 1.2.0 include faking Array inheritance
comment update for parent insert