Good\Manners\ResolvableCollection doesn't play nice with others

[JasperHorn]

Basically, this class is making GoodManners something that could just as easily be built externally, because this implies the authority to do things that can only be done by one modules.

• We're writing a Collection to each property, only to overwrite it with
  a ResolvableCollection

• GoodManners is incompatible with other modules that also extend
  Collection, which means it's taking a role which is making it more
  than a userland (or other) module, which is not my vision for the
  modules

• If I add notifications to the class to let IDEs know about the
  properties (which I plan to do at some point), there's simply no way
  to let the IDE know that the Storables will return
  ResolvableCollections instead of normal Collections. And any simple
  solution will run into the same problem as above: it can only be done
  by one module, which would raise GoodManners above its peers in a way
  that isn't congruent with my vision for it.