add extern function for http message parsing

+ wip compare fields server and script
+ g tout cassey

srcs/utils.hpp

@@ -49,5 +49,6 @@ http_method					str_to_http_method(std::string &str);
 std::string					http_methods_to_str(unsigned int methods);
 void						replace_all_substr(std::string &str, const std::string &ori_substr, const std::string &new_substr);
 std::string					str_tolower(std::string str);
+void						delete_line_in_string(std::string * str, size_t pos, std::string delim);
 
 #endif