New Sub Namespace Number
New Sub Namesapce Unit
Updated README after new subnamespace
New sub namespace Stats, Stats class moved into it
Moved Poisson and Normal dst classes to Stats NS
Added centering feature to Stats class
Poissong class to the right place
Parametric test Anova
Very stupid bug into Anova
Bugfixes and UT for anova test
I am sure now, so, I removed TODO
Updated README to start talking about Anova