added g test for confidence level to replace hacky undocumented z score.
added g test for confidence level to replace hacky undocumented z score.

seatgeek/sixpack,blackskad/sixpack,vpuzzella/sixpack,blackskad/sixpack,nickveenhof/sixpack,smokymountains/sixpack,spjwebster/sixpack,seatgeek/sixpack,nickveenhof/sixpack,smokymountains/sixpack,blackskad/sixpack,vpuzzella/sixpack,llonchj/sixpack,blackskad/sixpack,seatgeek/sixpack,llonchj/sixpack,seatgeek/sixpack,spjwebster/sixpack,vpuzzella/sixpack,llonchj/sixpack,vpuzzella/sixpack,spjwebster/sixpack,smokymountains/sixpack,nickveenhof/sixpack,llonchj/sixpack