Enhanced scoring method in the CountTable

* Used a noval structureL ScoreDistribution to do the prediction.
* Boosted the accuracy reimplementing the weighting system in the CountTable
Added empty (to implement) LZ78 predictor
Removed old CPT implementation (CPT11)
Cleanup and more comments
Reverting CPTPredictor to a clean state by removing experimental stuff

*Removed compression estimation
*Removed recursive divider