Upgraded toString for group-by OLAP Cubes
Updated documentation for percentileCreator
Merged Jen's additiional functionTests
BayesianClassifier works with minimal tests and no documentation
Added percentWins as return value for train(), made predict output of type Number if original values were of type Number
Resolving conflict with functionsTest
Merge pull request #24 from lmaccherone/anova

Bayesian Classifier - Trying again with conflict resolved one more time