v0.6.0

 [00 Major Changes - Role Apocalypse]
 - All internals that could be rewritten to invoke roles instead of
   inheritance, have been done so.
 - Base classes for existing things still exist, and should still work,
   however, they're on borrowed time.

 [Dependencies::Added / runtime requires]
 - Role::Tiny
 - Role::Tiny::With

 [Dependencies::Removed / runtime requires]
 - parent