Refactoring Chromosom into Chromosome

Number is refactored into name
Deletion of Chromosom
Refactoring Being

Chromosom is renamed Chromosome

GeneticMix is refacotred into the class Mate
Main is adapted to the refactoring
Add Phenotype class
Adding the phenotype to Being and Main
Merge pull request #6 from Zboubidoo/refactoring

Refactoring