wip cgi handling, client contains it's own privates functions to handle request headers and body

srcs/utils.cpp

@@ -21,7 +21,7 @@ std::string	trim(std::string str, char c)
 	return str;
 }
 
-std::string	itoa(int n)
+std::string	itos(int n)
 {
 	std::stringstream	strs;