There we go, user input to select what operation in the case that square
matrices are involved

	modified:   Makefile
	modified:   Operations/checkoperations.h
	new file:   Operations/matrixmultiplication.c
	new file:   Operations/matrixsummation.c
	modified:   main.c
Done some more stuff
	modified:   FileIO/Makefile
	new file:   FileIO/io.h
	new file:   FileIO/loadmatrix.c
	modified:   Makefile
	modified:   Operations/matrixsummation.c
	modified:   main.c