Modification of the destructor Revert "Modification of the main by using the class picture and the new definitions of functions"

This reverts commit 01190b232914999247bbd233ff4150c1d27cd5ef.
Modification of the destructor
Addition of ifndef
Merge https://github.com/njaure/gargouille

Conflicts:
	ppm.h
	ppm_function.cpp
Addition of ifndef
Modification of the destructor
Final version of the main (- no modif since ppm.cpp)
Modification of the destructor and dynamic allocation since ppm_func
Addition of ifndef since ppm.h
Modification of the makefile with the proper files names