bad_alloc handling

+ map.insert() replace map.operator[] for init, more efficient

srcs/utils.cpp

@@ -1,6 +1,14 @@
 
 #include "utils.hpp"
 
+void	throw_test()
+{
+	static int i = 0;
+	++i;
+	if (i % 8 == 0)
+		throw std::bad_alloc();
+}
+
 std::vector<std::string> split(std::string input, char delimiter)
 {
     std::vector<std::string>	answer;