Added onion_response_get_headers, that return current header dictiona…

…ry for user custom management.

src/onion/response.c

@@ -411,3 +411,13 @@ void onion_response_set_writer(onion_response *res, onion_write write, void *soc
 	res->write=write;
 	res->socket=socket;
 }
+
+/**
+ * @short Returns the headers dictionary, so user can add repeated headers
+ * 
+ * Only simple use case is to add several coockies; using normal set_header is not possible, 
+ * but accessing the dictionary user can add repeated headers without problem.
+ */
+onion_dict *onion_response_get_headers(onion_response *res){
+	return res->headers;
+}

src/onion/response.h

@@ -90,6 +90,8 @@ void onion_response_set_header(onion_response *res, const char *key, const char
 void onion_response_set_length(onion_response *res, size_t length);
 /// Sets the return code
 void onion_response_set_code(onion_response *res, int code);
+/// Gets the headers dictionary
+onion_dict *onion_response_get_headers(onion_response *res);
 
 /// @{ @name Write functions 
 /// Writes all the header to the given fd