Removing TODOs.
Adding reactive views.
Introduced reactive tables for specialized, flat lookup tables.

WIP on refactoring reactive maps to closed addressing.
Initial closed addressing reactive map implementation.
Fix for reactive map.
Key subscription for reactive maps.
WIP on better event propagation.
WIP on debugging improved event propagation.
Fix bugs with event propagation.
Fix bug with lost subscriptions in containers.
Fixing bugs with reactive map event propagation.
Optimizing reactive map entries.
Adding performance tests.