Add support for calculate(5)
Add support for calculate(6) or more
Merge remote-tracking branch 'pobo380/feature/calculate_fibo_five' into feature/calculate_fibo
Merge remote-tracking branch 'pobo380/feature/calculate_fibo_six_or_more' into feature/calculate_fibo

Conflicts:
	lib/MyFibo.pm
	t/lib/MyFibo.t