Token Cache bug fix and Rate Limiting

src/Client/InternalClient.js

@@ -64,10 +64,21 @@ export default class InternalClient {
 		ret.set('User-Agent', this.userAgentInfo.full);
 		return new Promise((resolve, reject) => {
 			ret.end((error, data) => {
-				if(error) {
-					return reject(error);
-				}
+				if (error) {
+					if (error.response && error.response.error && error.response.error.status && error.response.error.status === 429) {
+						if(data.headers["retry-after"] || data.headers["Retry-After"]){
+							var toWait = data.headers["retry-after"] || data.headers["Retry-After"];
+							toWait = parseInt(toWait);
+							setTimeout(() => {
+								this.apiRequest.apply(this, arguments).then(resolve).catch(reject);
+							}, toWait);
+						}
+					} else {
+						return reject(error);
+					}
+				}else{
 				resolve(data.body);
+				}
 			});
 		});
 	}

src/Util/TokenCacher.js

@@ -28,7 +28,7 @@ export default class TokenCacher extends EventEmitter {
 		this.data = {};
 	}
 
-	setToken(email, password, token) {
+	setToken(email="", password="", token="") {
 		email = secureEmail(email, password);
 		var cipher = crypto.createCipher(algo, password)
 		var crypted = cipher.update("valid" + token, "utf8", "hex")
@@ -41,7 +41,7 @@ export default class TokenCacher extends EventEmitter {
 		fs.writeJson(this.savePath, this.data);
 	}
 
-	getToken(email, password) {
+	getToken(email="", password="") {
 
 		email = secureEmail(email, password);