new animationAnim(obj)
    Animations Anim is the central action strip manager.
It's behavior is polymorphic and dictated by the type of argument
obj - string: obj represents a single animation contained in the current scene, it gets added to the tweenStack and play is invoked.
obj - array: obj contains a list of animation names to play, it can also contain callback functions as array items.
obj - object: obj contains configuration parameters as properties, eg 'concurrent':true
    It's behavior is polymorphic and dictated by the type of argument
obj - string: obj represents a single animation contained in the current scene, it gets added to the tweenStack and play is invoked.
obj - array: obj contains a list of animation names to play, it can also contain callback functions as array items.
obj - object: obj contains configuration parameters as properties, eg 'concurrent':true
Parameters:
| Name | Type | Description | 
|---|---|---|
| obj | string | array | object | A container of animation and callback instructions. | 
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Members
(private, static) animStack
    The current animation stack from config.animStack
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(private, static) context
    Declaration of context.get.config
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Methods
(private) add(animationName)
    add animation to animation stack.
    Parameters:
| Name | Type | Description | 
|---|---|---|
| animationName | string | the name of an animation already existing within the scene. | 
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(private) play()
    play an animation from the animation stack
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