Nomenclature

• Accessible interface hides the actual object properties to be changed by the tweened transition
• TransitionCompletionFunctio maps [0.0,1.0] to the Accessible's Setter based on the easing function and start and target values.
• Transition is basically a factory for TransitionCompletionFunction which should pick the starting values at the right moment when participating in a sequence
• Change transforms duration [0, inf.] to the proper Transition based on their number and RepetitionFunction

TODO

• ci for demo