Feat/alternative animation queuing mechanism#16

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riobah wants to merge 2 commits intomredig:custom_animation_enginefrom riobah:feat/alternativeAnimationQueuingMechanism

+180-45

Commits on Sep 6, 2017

Implementing an alternative animation enqueing mechanism allowing multiple animations to be queued and the actully running one not being cancelled with an enqueue.
riobah
committed
Adding example to the test SKScene for the new enqueing methods
riobah
committed