join arrays with new lines when sending as messages

src/client/rest/RESTMethods.js

@@ -49,7 +49,7 @@ class RESTMethods {
   sendMessage(channel, content, tts, nonce, file) {
     return new Promise((resolve, reject) => {
       const $this = this;
-
+      content = this.rest.client.resolver.resolveString(content);
       function req() {
         $this.rest.makeRequest('post', Constants.Endpoints.channelMessages(channel.id), true, {
           content, tts, nonce,

src/structures/Message.js

@@ -279,6 +279,7 @@ class Message {
    *  .catch(console.log);
    */
   reply(content, options = {}) {
+    content = this.client.resolver.resolveString(content);
     const newContent = this.guild ? `${this.author}, ${content}` : content;
     return this.client.rest.methods.sendMessage(this.channel, newContent, options.tts);
   }