Implementing the constructor of PlayerDao class
Implementing generate_IdToPlayers() method to facilitate the generation of IDs for saved Player on file
Implementing save_PlayersInFile() method to extract the action of save players in file of the others methods
Implementing get_ObjectReadedToFile( ) method to extract the action to
read the players from the file of other methods
Implementing register_Player() method in PlayerDao class
Implementing exclude_Player() method in PlayerDao class
Implementing exclude_AllPlayers() method in PlayerDao class
Implementing find_PlayerById() method in PlayerDao class
Implementing find_PlayerByName() method in PlayerDao class
Implementing get_AllPlayers() method in PlayerDao class
Correction of get_AllPlayers() and get_AllTeams() on launch of
exceptions
Implementing rank_Players() method in PlayerDao class
Clearing the rank_Players() method for implementing it later
Implementing InsertionSort() class.
Merge branch 'PlayerDao' into dao