improved printing of n-dimensional vectors

demo.c

@@ -42,6 +42,15 @@ int main(int argc, char **argv) {
 	printf("pushing the first vector into the newly created one\n");
 	vectorPush(w, v);
 	vectorPrint(w);
+	printf("once again\n");
+	vectorPush(w, v);
+	vectorPrint(w);
+	printf("popping\n");
+	vector_t *poppedv = (vector_t *)vectorPop(w);
+	printf("popped vector\n");
+	vectorPrint(poppedv);
+	printf("vector from which was popped after pop\n");
+	vectorPrint(w);
 
 	printf("initializing a char vector (variable-length string) with value \"Hello, world!\"\n");
 	vector_t *charVector = vectorInit(CHAR);