Modify Elo Algorithm. Less aggressive. The leader could keep the position if he has a lot of points.

Issue fixed. MathRound in a relation that returns a number among 1 and 0 affects in points transferences.
Add humiliation weight. The game score points are saved in each player.
Readme LOC adjusted.
Merge pull request #1 from labajo/humiliationElo

Humiliation elo