Fixing type problems

src/request.ts

@@ -1,4 +1,5 @@
 import { Parser } from "binary-parser"
+import { Message, MessageHeader, MessageQuestion, MessageRecourceRecord } from "./types"
 
 const MAX_LABEL_SIZE = 63;
 

src/types.ts

@@ -1,4 +1,4 @@
-interface MessageHeader {
+export interface MessageHeader {
    /**
     *  A 16 bit identifier assigned by the program that
     *  generates any kind of query.  This identifier is copied
@@ -95,7 +95,7 @@ interface MessageHeader {
     */
    ARCOUNT: number;
 }
-interface MessageQuestion {
+export interface MessageQuestion {
    /**
     * Domain name represented as sequence of labels
     * Each label consists of a length octed followed
@@ -115,7 +115,7 @@ interface MessageQuestion {
     */
    QCLASS: number;
 }
-interface MessageRecourceRecord {
+export interface MessageRecourceRecord {
    /**
     * Domain name to wich resource record pertains
     */
@@ -162,7 +162,7 @@ interface MessageRecourceRecord {
     */
    RDATA: Buffer;
 }
-interface Message {
+export interface Message {
    header: MessageHeader;
    questions: MessageQuestion[];
    answers: MessageRecourceRecord[];