Implement faster grouper
Implement faster grouper

Motivation:
-grouper was getting really slow, needed a fresh set start

Change Explanation:
-implement similar grouper in go, exclude a number of bad point types.

charlieegan3/points-extraction,charlieegan3/points-extraction,charlieegan3/standpoint,charlieegan3/standpoint,charlieegan3/points-extraction,charlieegan3/points-extraction,charlieegan3/standpoint,charlieegan3/standpoint,charlieegan3/standpoint,charlieegan3/points-extraction,charlieegan3/points-extraction