Separate list-like functions to an Events interface and remove lastValue
Rename Reactor to Reactive
Basic reactor
Check gc in Reactor
Better isolate observers
Remove duplication of child streams in EventStream
Comment out erroring code
Added Var
Refactor subscriber filtering
Move non-update code to Property interface
Add tests for weak reference behavior
Extract WeakList class
Dynamic properties
Implement specifics of lazy evaluation
Implicit observer all the things