Significantly clean and document code base. Project approximately complete.

README.md

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 # PointCNN
 PyTorch implementation of PointCNN model specified in the white paper located here: https://arxiv.org/pdf/1801.07791.pdf
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+Current MNIST accuracy: ~96%
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+My coding style is somewhat unique, but ultimately geared towards maximal
+readability. Along with extensive documentation in the code, I use type , and
+code comments indicating input/outputs shapes.  (x,y,z) just indicate that any
+value is accepted at runtime.