Squashed commit of the following:
- completed test coverage for [Array.isSparse], [Object.isEmpty], [Object.is] and [Object.isEqual].
- completed test coverage for newly introduced "emptiness", "sameness", and "equality" type detection modules.
- refactored type detection core covered by additional tests.
minor code cleanup according to test coverage of "emptiness", "sameness", and "equality" type detection modules.
Merge pull request #2 from petsel/open-refactoring-tasks

Open refactoring tasks
Squashed commit of the following:
- minor refactoring of [IterableFactory] and completed test coverage for [Iterable_Integer_next], [Iterable_Integer_next_previous] and [Iterable_Integer_next_previous_StopIteration].
- minor refactoring of two of the "Iterable_Integer" test specifications.
- completed test coverage for [Iterable_Character_next], [Iterable_Character_next_previous] and [Iterable_Character_next_previous_StopIteration].
Merge pull request #3 from petsel/open-refactoring-tasks

Open refactoring tasks
Squashed commit of the following:
- minor code cleanup according to test coverage of "emptiness", "sameness", and "equality" type detection modules.
- fixed minor typo within all iterable integer/character specs.
- minor refactoring and completed test coverage for [Propagable_EventAdapter].
Merge pull request #4 from petsel/open-refactoring-tasks

Open refactoring tasks
final refactoring of and completed test coverage for  [LocallyStorable], a Trait Module that is recommended if one needs to save (sub) data structures of custom models into the [localStorage].