Merge pull request #1 from gbarraul/master

improved README.md
correct typo
Merge pull request #2 from NadjibBELLOUNDJA/patch-1

correct typo
update path
update path
update
add test to ft_strcapitalize
update : abs, upper, lower, punct
merge
update ft_strcapitalize tests
update
update yyang
correct factorial tests
add test strupcase;
update strupcase strlowcase
??
merge
restructure
update main.c
add mvo