main.c : give argv to master in order to modify the name of each process
	to be more identifiable apricot [master] for the master process
	and apricot [worker] for the workers

master.c : set argv to a global variable arguments that stores the arguments
	of the current process.

pool.c : when a worker is created or reincarnated its name is changed to
	apricot [worker]
master.h : comments added