new file:   c_potissimum/Makefile
	modified:   c_potissimum/client.cpp
	new file:   c_potissimum/client.o
	new file:   include/cin_sender.h
	new file:   include/include.h
	modified:   plan
	new file:   s_potissimum/Makefile
	modified:   s_potissimum/server.cpp
	new file:   s_potissimum/server.o
	deleted:    keys_to_compile_with