Add .pyc files to gitignore

These files are cache files for python modules
Rename ChildrenBeing into ChildBeing
Add comments and import statements

Rather than locally defining the path, it is defined at runtime by
adding the root folder to sys.path
Add chromosome comparison

Such function is called when the comparison operator « == » is used
Correct indent
Correct typo in the getChromosoms method
Add the getChromosomsSet method

Also, this commit adds the add and remove chromosom methods, which may
prove useful in further developments
Add the getSpecie method

So far, it only provides a list of chromosoms numbers
Add the geneticMix method

Explanations on how the mix works are given as comments in the method
Add the main script

Script for methods debug
Correct typo
Merge pull request #4 from Zboubidoo/genetic

Genetic