Dropped in a bunch of existing code as stub for scene graph.
Updated READMEs with plans, status.
Removing WordShift dependencies from scene graph.
Changing namespace over to pockets from cascade.
Copy-assignment operator.
Replace WrappedLerper with simplified wrapLerp function.
Untested new packing algorithm based on line-scanning.
Scanline approach works.
Scanline packing bug fix. Cleaned up SpriteSheetGenerator.
Stub for sprite animation sample.

A place for building out the animation api and giving it a whirl.
Rough pass at pulling in animation.

Next up: load from file.
Parsing animation from JSON.
Loading multiple animations from a json file.
Sprite Animation in good working order.

Sample plays forward/backward based on mouse position.
Displays all animations specified in file.
Modified wormer animation timing.
Removed out of date sample.