diff --git a/index.js b/index.js
index 7a67c99..3fc2394 100644
--- a/index.js
+++ b/index.js
@@ -1,10 +1,55 @@
 "use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __generator = (this && this.__generator) || function (thisArg, body) {
+    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
+    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
+    function verb(n) { return function (v) { return step([n, v]); }; }
+    function step(op) {
+        if (f) throw new TypeError("Generator is already executing.");
+        while (_) try {
+            if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
+            if (y = 0, t) op = [0, t.value];
+            switch (op[0]) {
+                case 0: case 1: t = op; break;
+                case 4: _.label++; return { value: op[1], done: false };
+                case 5: _.label++; y = op[1]; op = [0]; continue;
+                case 7: op = _.ops.pop(); _.trys.pop(); continue;
+                default:
+                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
+                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
+                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
+                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
+                    if (t[2]) _.ops.pop();
+                    _.trys.pop(); continue;
+            }
+            op = body.call(thisArg, _);
+        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
+        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
+    }
+};
 Object.defineProperty(exports, "__esModule", { value: true });
-const rsa = require("node-rsa");
+var rsa = require("node-rsa");
 require("isomorphic-fetch");
-const btb = require("blob-to-buffer");
-class SecureFile {
-    constructor(server, username, private_key) {
+var btb = require("blob-to-buffer");
+var SecureFile = /** @class */ (function () {
+    function SecureFile(server, username, private_key) {
         this.Server = server;
         if (this.Server.endsWith("/")) {
             this.Server += "api";
@@ -15,115 +60,225 @@ class SecureFile {
         this.Username = username;
         this.PrivateKey = private_key;
     }
-    async getCode() {
-        let code_res = await fetch(this.Server + "/code?username=" + this.Username);
-        statusParser(code_res);
-        //ToDo check status Codes
-        let code = (await code_res.json()).code;
-        let r = new rsa(this.PrivateKey, "pkcs1-pem");
-        return { code: code, signature: r.sign(code).toString("base64") };
-    }
-    async makeRequest(endpoint, method, query, body) {
-        let code = await this.getCode();
-        query.code = code.code;
-        query.signature = code.signature;
-        let query_str = "?";
-        let first = true;
-        for (let key in query) {
-            if (!first)
-                query_str += "&";
-            query_str += encodeURIComponent(key) + "=" + encodeURIComponent(query[key]);
-            first = false;
-        }
-        return await fetch(this.Server + endpoint + query_str, { method: method, body: body });
-    }
-    async test() {
-        let res = await this.makeRequest("/test", "GET", {}, undefined);
-        statusParser(res);
-        return await res.json();
-    }
-    async list(folder) {
-        if (!folder)
-            folder = "root";
-        let res = await this.makeRequest("/files", "GET", { folder: folder }, undefined);
-        statusParser(res);
-        return await res.json();
-    }
-    async create(name, data, type, folder, encrypt = true, preview) {
-        let params = { type: type, name: name, no_encryption: !encrypt };
-        if (preview) {
-            params.preview = preview;
-        }
-        if (folder) {
-            params.folder = folder;
-        }
-        if (!encrypt) {
-            params.no_encryption = true;
-        }
-        let res = await this.makeRequest("/files", "POST", params, data);
-        statusParser(res);
-        return res.json();
-    }
-    async get(id, version) {
-        let res;
-        if (typeof version === "string") {
-            res = await this.makeRequest(`/files/${id}/history/${version}`, "GET", {}, undefined);
-        }
-        else {
-            res = await this.makeRequest("/files/" + id, "GET", {}, undefined);
-        }
-        statusParser(res);
-        if (res.buffer) {
-            return res.buffer();
-        }
-        else {
-            return new Promise(async (resolve, reject) => {
-                btb(await res.blob(), (err, buffer) => {
-                    if (err)
-                        reject(err);
-                    else
-                        resolve(buffer);
-                });
+    SecureFile.prototype.getCode = function () {
+        return __awaiter(this, void 0, void 0, function () {
+            var code_res, code, r;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0: return [4 /*yield*/, fetch(this.Server + "/code?username=" + this.Username)];
+                    case 1:
+                        code_res = _a.sent();
+                        statusParser(code_res);
+                        return [4 /*yield*/, code_res.json()];
+                    case 2:
+                        code = (_a.sent()).code;
+                        r = new rsa(this.PrivateKey, "pkcs1-pem");
+                        return [2 /*return*/, { code: code, signature: r.sign(code).toString("base64") }];
+                }
             });
-        }
-    }
-    async update(id, data, preview) {
-        let put = {};
-        if (preview)
-            put.preview = preview;
-        let res = await this.makeRequest("/files/" + id, "PUT", put, data);
-        statusParser(res);
-        return res.json();
-    }
-    async delete(id) {
-        let res = await this.makeRequest("/files/" + id, "DELETE", {}, undefined);
-        statusParser(res);
-        return res.json();
-    }
-    async history(id) {
-        let res = await this.makeRequest(`/files/${id}/history`, "GET", {}, undefined);
-        statusParser(res);
-        return res.json();
-    }
-}
+        });
+    };
+    SecureFile.prototype.makeRequest = function (endpoint, method, query, body) {
+        return __awaiter(this, void 0, void 0, function () {
+            var code, query_str, first, key;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0: return [4 /*yield*/, this.getCode()];
+                    case 1:
+                        code = _a.sent();
+                        query.code = code.code;
+                        query.signature = code.signature;
+                        query_str = "?";
+                        first = true;
+                        for (key in query) {
+                            if (!first)
+                                query_str += "&";
+                            query_str += encodeURIComponent(key) + "=" + encodeURIComponent(query[key]);
+                            first = false;
+                        }
+                        return [4 /*yield*/, fetch(this.Server + endpoint + query_str, { method: method, body: body })];
+                    case 2: return [2 /*return*/, _a.sent()];
+                }
+            });
+        });
+    };
+    SecureFile.prototype.test = function () {
+        return __awaiter(this, void 0, void 0, function () {
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0: return [4 /*yield*/, this.makeRequest("/test", "GET", {}, undefined)];
+                    case 1:
+                        res = _a.sent();
+                        statusParser(res);
+                        return [4 /*yield*/, res.json()];
+                    case 2: return [2 /*return*/, _a.sent()];
+                }
+            });
+        });
+    };
+    SecureFile.prototype.list = function (folder) {
+        return __awaiter(this, void 0, void 0, function () {
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        if (!folder)
+                            folder = "root";
+                        return [4 /*yield*/, this.makeRequest("/files", "GET", { folder: folder }, undefined)];
+                    case 1:
+                        res = _a.sent();
+                        statusParser(res);
+                        return [4 /*yield*/, res.json()];
+                    case 2: return [2 /*return*/, _a.sent()];
+                }
+            });
+        });
+    };
+    SecureFile.prototype.create = function (name, data, type, folder, encrypt, preview) {
+        if (encrypt === void 0) { encrypt = true; }
+        return __awaiter(this, void 0, void 0, function () {
+            var params, res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        params = { type: type, name: name, no_encryption: !encrypt };
+                        if (preview) {
+                            params.preview = preview;
+                        }
+                        if (folder) {
+                            params.folder = folder;
+                        }
+                        if (!encrypt) {
+                            params.no_encryption = true;
+                        }
+                        return [4 /*yield*/, this.makeRequest("/files", "POST", params, data)];
+                    case 1:
+                        res = _a.sent();
+                        statusParser(res);
+                        return [2 /*return*/, res.json()];
+                }
+            });
+        });
+    };
+    SecureFile.prototype.get = function (id, version) {
+        return __awaiter(this, void 0, void 0, function () {
+            var _this = this;
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        if (!(typeof version === "string")) return [3 /*break*/, 2];
+                        return [4 /*yield*/, this.makeRequest("/files/" + id + "/history/" + version, "GET", {}, undefined)];
+                    case 1:
+                        res = _a.sent();
+                        return [3 /*break*/, 4];
+                    case 2: return [4 /*yield*/, this.makeRequest("/files/" + id, "GET", {}, undefined)];
+                    case 3:
+                        res = _a.sent();
+                        _a.label = 4;
+                    case 4:
+                        statusParser(res);
+                        if (res.buffer) {
+                            return [2 /*return*/, res.buffer()];
+                        }
+                        else {
+                            return [2 /*return*/, new Promise(function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
+                                    var _a;
+                                    return __generator(this, function (_b) {
+                                        switch (_b.label) {
+                                            case 0:
+                                                _a = btb;
+                                                return [4 /*yield*/, res.blob()];
+                                            case 1:
+                                                _a.apply(void 0, [_b.sent(), function (err, buffer) {
+                                                        if (err)
+                                                            reject(err);
+                                                        else
+                                                            resolve(buffer);
+                                                    }]);
+                                                return [2 /*return*/];
+                                        }
+                                    });
+                                }); })];
+                        }
+                        return [2 /*return*/];
+                }
+            });
+        });
+    };
+    SecureFile.prototype.update = function (id, data, preview) {
+        return __awaiter(this, void 0, void 0, function () {
+            var put, res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        put = {};
+                        if (preview)
+                            put.preview = preview;
+                        return [4 /*yield*/, this.makeRequest("/files/" + id, "PUT", put, data)];
+                    case 1:
+                        res = _a.sent();
+                        statusParser(res);
+                        return [2 /*return*/, res.json()];
+                }
+            });
+        });
+    };
+    SecureFile.prototype.delete = function (id) {
+        return __awaiter(this, void 0, void 0, function () {
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0: return [4 /*yield*/, this.makeRequest("/files/" + id, "DELETE", {}, undefined)];
+                    case 1:
+                        res = _a.sent();
+                        statusParser(res);
+                        return [2 /*return*/, res.json()];
+                }
+            });
+        });
+    };
+    SecureFile.prototype.history = function (id) {
+        return __awaiter(this, void 0, void 0, function () {
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0: return [4 /*yield*/, this.makeRequest("/files/" + id + "/history", "GET", {}, undefined)];
+                    case 1:
+                        res = _a.sent();
+                        statusParser(res);
+                        return [2 /*return*/, res.json()];
+                }
+            });
+        });
+    };
+    return SecureFile;
+}());
 exports.default = SecureFile;
-class Unauthorized extends Error {
-    constructor() {
-        super("Not authorized");
+var Unauthorized = /** @class */ (function (_super) {
+    __extends(Unauthorized, _super);
+    function Unauthorized() {
+        return _super.call(this, "Not authorized") || this;
     }
-}
+    return Unauthorized;
+}(Error));
 exports.Unauthorized = Unauthorized;
-class NotFound extends Error {
-    constructor() {
-        super("Not found");
+var NotFound = /** @class */ (function (_super) {
+    __extends(NotFound, _super);
+    function NotFound() {
+        return _super.call(this, "Not found") || this;
     }
-}
+    return NotFound;
+}(Error));
 exports.NotFound = NotFound;
-class BadRequest extends Error {
-    constructor() {
-        super("Bad request");
+var BadRequest = /** @class */ (function (_super) {
+    __extends(BadRequest, _super);
+    function BadRequest() {
+        return _super.call(this, "Bad request") || this;
     }
-}
+    return BadRequest;
+}(Error));
 exports.BadRequest = BadRequest;
 function statusParser(res) {
     if (res.status !== 200) {
diff --git a/test.js b/test.js
index f1ce86d..cdc11da 100644
--- a/test.js
+++ b/test.js
@@ -1,149 +1,331 @@
 "use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __generator = (this && this.__generator) || function (thisArg, body) {
+    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
+    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
+    function verb(n) { return function (v) { return step([n, v]); }; }
+    function step(op) {
+        if (f) throw new TypeError("Generator is already executing.");
+        while (_) try {
+            if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
+            if (y = 0, t) op = [0, t.value];
+            switch (op[0]) {
+                case 0: case 1: t = op; break;
+                case 4: _.label++; return { value: op[1], done: false };
+                case 5: _.label++; y = op[1]; op = [0]; continue;
+                case 7: op = _.ops.pop(); _.trys.pop(); continue;
+                default:
+                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
+                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
+                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
+                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
+                    if (t[2]) _.ops.pop();
+                    _.trys.pop(); continue;
+            }
+            op = body.call(thisArg, _);
+        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
+        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
+    }
+};
 Object.defineProperty(exports, "__esModule", { value: true });
-const rsa = require("node-rsa");
-const index_1 = require("./index");
-const fs_1 = require("fs");
-const buffer_1 = require("buffer");
-let sf;
-const testname = "ouiavgbsop687463743";
-const testdata = new buffer_1.Buffer("Ich bin ein Test");
-const newTestData = new buffer_1.Buffer("neue test daten");
-const testprev = new buffer_1.Buffer("Ich bin...");
-let testid;
-let testver;
-let testver2;
-const testfolder = "iabos";
-let ftestid;
-let e_testid;
-let private_key;
+var rsa = require("node-rsa");
+var index_1 = require("./index");
+var fs_1 = require("fs");
+var buffer_1 = require("buffer");
+var sf;
+var testname = "ouiavgbsop687463743";
+var testdata = new buffer_1.Buffer("Ich bin ein Test");
+var newTestData = new buffer_1.Buffer("neue test daten");
+var testprev = new buffer_1.Buffer("Ich bin...");
+var testid;
+var testver;
+var testver2;
+var testfolder = "iabos";
+var ftestid;
+var e_testid;
+var private_key;
 module.exports = {
     setUp: function (finished) {
-        let pk = fs_1.readFileSync("./private.pem");
+        var pk = fs_1.readFileSync("./private.pem");
         private_key = pk.toString("utf8");
         sf = new index_1.default("http://localhost:3005", "test", private_key);
         finished();
     },
-    create: async function (test) {
-        test.expect(2);
-        let res = await sf.create(testname, testdata, "text", undefined, false, testprev);
-        test.ok(res);
-        test.ok(res._id);
-        testid = res._id;
-        testver = res.version;
-        test.done();
-    },
-    test: async function (test) {
-        test.expect(2);
-        let res = await sf.test();
-        test.ok(res.test);
-        test.equal(res.user, "test");
-        test.done();
-    },
-    get: async function (test) {
-        test.expect(2);
-        let res = await sf.get(testid);
-        test.ok(res);
-        test.equal(res.toString(), testdata.toString());
-        test.done();
-    },
-    list: async function (test) {
-        test.expect(4);
-        let res = await sf.list();
-        test.ok(res);
-        test.ok(Array.isArray(res), "Is from type Array");
-        test.ok(res.length > 0, "Do elements exist?");
-        res.forEach(e => {
-            if (e._id === testid) {
-                test.ok(true, "Element is in List");
-            }
-        });
-        test.done();
-    },
-    update: async function (test) {
-        test.expect(5);
-        let res = await sf.update(testid, newTestData);
-        test.ok(res);
-        test.ok(res._id);
-        test.notEqual(res.version, testver, "Is new version_id generated?");
-        testver2 = res.version;
-        let res2 = await sf.get(testid);
-        test.ok(res2);
-        test.equal(res2.toString(), newTestData.toString(), "Is fetched data the updated?");
-        test.done();
-    },
-    history: async function (test) {
-        test.expect(7);
-        let his = await sf.history(testid);
-        test.ok(his);
-        test.ok(his.file);
-        test.ok(his.history);
-        test.equal(his.history.length, 1);
-        test.equal(his.history[0].version, testver);
-        test.equal(his.file.version, testver2, "Is correct version");
-        let arch = await sf.get(testid, testver);
-        test.equal(arch.toString(), testdata.toString(), "Is old version data correct");
-        test.done();
-    },
-    delete: async function (test) {
-        test.expect(1);
-        let res = await sf.delete(testid);
-        test.ok(res);
-        test.done();
-    },
-    folder: {
-        create: async function (test) {
-            test.expect(2);
-            let res = await sf.create(testname, testdata, "text", testfolder, false, testprev);
-            test.ok(res);
-            test.ok(res._id);
-            ftestid = res._id;
-            testver = res.version;
-            test.done();
-        },
-        list: async function (test) {
-            test.expect(4);
-            let res = await sf.list(testfolder);
-            test.ok(res);
-            test.ok(Array.isArray(res), "Is from type Array");
-            test.ok(res.length > 0, "Do elements exist?");
-            res.forEach(e => {
-                if (e._id === ftestid) {
-                    test.ok(true, "Element is in List");
+    create: function (test) {
+        return __awaiter(this, void 0, void 0, function () {
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        test.expect(2);
+                        return [4 /*yield*/, sf.create(testname, testdata, "text", undefined, false, testprev)];
+                    case 1:
+                        res = _a.sent();
+                        test.ok(res);
+                        test.ok(res._id);
+                        testid = res._id;
+                        testver = res.version;
+                        test.done();
+                        return [2 /*return*/];
                 }
             });
-            test.done();
+        });
+    },
+    test: function (test) {
+        return __awaiter(this, void 0, void 0, function () {
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        test.expect(2);
+                        return [4 /*yield*/, sf.test()];
+                    case 1:
+                        res = _a.sent();
+                        test.ok(res.test);
+                        test.equal(res.user, "test");
+                        test.done();
+                        return [2 /*return*/];
+                }
+            });
+        });
+    },
+    get: function (test) {
+        return __awaiter(this, void 0, void 0, function () {
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        test.expect(2);
+                        return [4 /*yield*/, sf.get(testid)];
+                    case 1:
+                        res = _a.sent();
+                        test.ok(res);
+                        test.equal(res.toString(), testdata.toString());
+                        test.done();
+                        return [2 /*return*/];
+                }
+            });
+        });
+    },
+    list: function (test) {
+        return __awaiter(this, void 0, void 0, function () {
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        test.expect(4);
+                        return [4 /*yield*/, sf.list()];
+                    case 1:
+                        res = _a.sent();
+                        test.ok(res);
+                        test.ok(Array.isArray(res), "Is from type Array");
+                        test.ok(res.length > 0, "Do elements exist?");
+                        res.forEach(function (e) {
+                            if (e._id === testid) {
+                                test.ok(true, "Element is in List");
+                            }
+                        });
+                        test.done();
+                        return [2 /*return*/];
+                }
+            });
+        });
+    },
+    update: function (test) {
+        return __awaiter(this, void 0, void 0, function () {
+            var res, res2;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        test.expect(5);
+                        return [4 /*yield*/, sf.update(testid, newTestData)];
+                    case 1:
+                        res = _a.sent();
+                        test.ok(res);
+                        test.ok(res._id);
+                        test.notEqual(res.version, testver, "Is new version_id generated?");
+                        testver2 = res.version;
+                        return [4 /*yield*/, sf.get(testid)];
+                    case 2:
+                        res2 = _a.sent();
+                        test.ok(res2);
+                        test.equal(res2.toString(), newTestData.toString(), "Is fetched data the updated?");
+                        test.done();
+                        return [2 /*return*/];
+                }
+            });
+        });
+    },
+    history: function (test) {
+        return __awaiter(this, void 0, void 0, function () {
+            var his, arch;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        test.expect(7);
+                        return [4 /*yield*/, sf.history(testid)];
+                    case 1:
+                        his = _a.sent();
+                        test.ok(his);
+                        test.ok(his.file);
+                        test.ok(his.history);
+                        test.equal(his.history.length, 1);
+                        test.equal(his.history[0].version, testver);
+                        test.equal(his.file.version, testver2, "Is correct version");
+                        return [4 /*yield*/, sf.get(testid, testver)];
+                    case 2:
+                        arch = _a.sent();
+                        test.equal(arch.toString(), testdata.toString(), "Is old version data correct");
+                        test.done();
+                        return [2 /*return*/];
+                }
+            });
+        });
+    },
+    delete: function (test) {
+        return __awaiter(this, void 0, void 0, function () {
+            var res;
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0:
+                        test.expect(1);
+                        return [4 /*yield*/, sf.delete(testid)];
+                    case 1:
+                        res = _a.sent();
+                        test.ok(res);
+                        test.done();
+                        return [2 /*return*/];
+                }
+            });
+        });
+    },
+    folder: {
+        create: function (test) {
+            return __awaiter(this, void 0, void 0, function () {
+                var res;
+                return __generator(this, function (_a) {
+                    switch (_a.label) {
+                        case 0:
+                            test.expect(2);
+                            return [4 /*yield*/, sf.create(testname, testdata, "text", testfolder, false, testprev)];
+                        case 1:
+                            res = _a.sent();
+                            test.ok(res);
+                            test.ok(res._id);
+                            ftestid = res._id;
+                            testver = res.version;
+                            test.done();
+                            return [2 /*return*/];
+                    }
+                });
+            });
         },
-        delete: async function (test) {
-            test.expect(1);
-            let res = await sf.delete(ftestid);
-            test.ok(res);
-            test.done();
+        list: function (test) {
+            return __awaiter(this, void 0, void 0, function () {
+                var res;
+                return __generator(this, function (_a) {
+                    switch (_a.label) {
+                        case 0:
+                            test.expect(4);
+                            return [4 /*yield*/, sf.list(testfolder)];
+                        case 1:
+                            res = _a.sent();
+                            test.ok(res);
+                            test.ok(Array.isArray(res), "Is from type Array");
+                            test.ok(res.length > 0, "Do elements exist?");
+                            res.forEach(function (e) {
+                                if (e._id === ftestid) {
+                                    test.ok(true, "Element is in List");
+                                }
+                            });
+                            test.done();
+                            return [2 /*return*/];
+                    }
+                });
+            });
+        },
+        delete: function (test) {
+            return __awaiter(this, void 0, void 0, function () {
+                var res;
+                return __generator(this, function (_a) {
+                    switch (_a.label) {
+                        case 0:
+                            test.expect(1);
+                            return [4 /*yield*/, sf.delete(ftestid)];
+                        case 1:
+                            res = _a.sent();
+                            test.ok(res);
+                            test.done();
+                            return [2 /*return*/];
+                    }
+                });
+            });
         },
     },
     encryption: {
-        create: async function (test) {
-            test.expect(2);
-            let res = await sf.create(testname, testdata, "text", undefined, true, testprev);
-            test.ok(res);
-            test.ok(res._id);
-            e_testid = res._id;
-            testver = res.version;
-            test.done();
+        create: function (test) {
+            return __awaiter(this, void 0, void 0, function () {
+                var res;
+                return __generator(this, function (_a) {
+                    switch (_a.label) {
+                        case 0:
+                            test.expect(2);
+                            return [4 /*yield*/, sf.create(testname, testdata, "text", undefined, true, testprev)];
+                        case 1:
+                            res = _a.sent();
+                            test.ok(res);
+                            test.ok(res._id);
+                            e_testid = res._id;
+                            testver = res.version;
+                            test.done();
+                            return [2 /*return*/];
+                    }
+                });
+            });
         },
-        get: async function (test) {
-            let r = new rsa(private_key, "pkcs1-pem");
-            test.expect(2);
-            let res = await sf.get(e_testid);
-            res = r.decrypt(res);
-            test.ok(res);
-            test.equal(res.toString(), testdata.toString());
-            test.done();
+        get: function (test) {
+            return __awaiter(this, void 0, void 0, function () {
+                var r, res;
+                return __generator(this, function (_a) {
+                    switch (_a.label) {
+                        case 0:
+                            r = new rsa(private_key, "pkcs1-pem");
+                            test.expect(2);
+                            return [4 /*yield*/, sf.get(e_testid)];
+                        case 1:
+                            res = _a.sent();
+                            res = r.decrypt(res);
+                            test.ok(res);
+                            test.equal(res.toString(), testdata.toString());
+                            test.done();
+                            return [2 /*return*/];
+                    }
+                });
+            });
         },
-        delete: async function (test) {
-            test.expect(1);
-            let res = await sf.delete(e_testid);
-            test.ok(res);
-            test.done();
+        delete: function (test) {
+            return __awaiter(this, void 0, void 0, function () {
+                var res;
+                return __generator(this, function (_a) {
+                    switch (_a.label) {
+                        case 0:
+                            test.expect(1);
+                            return [4 /*yield*/, sf.delete(e_testid)];
+                        case 1:
+                            res = _a.sent();
+                            test.ok(res);
+                            test.done();
+                            return [2 /*return*/];
+                    }
+                });
+            });
         },
     }
 };
diff --git a/tsconfig.json b/tsconfig.json
index dbeee88..e0b6efe 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,13 +1,17 @@
 {
    "compilerOptions": {
       /* Basic Options */
-      "target": "es2017", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
+      "target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
       "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
       // "lib": [],                             /* Specify library files to be included in the compilation:  */
       // "allowJs": true,                       /* Allow javascript files to be compiled. */
       // "checkJs": true,                       /* Report errors in .js files. */
       // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
       "declaration": true, /* Generates corresponding '.d.ts' file. */
+      "lib": [
+         "es6",
+         "dom"
+      ],
       // "sourceMap": true,                     /* Generates corresponding '.map' file. */
       // "outFile": "./",                       /* Concatenate and emit output to single file. */
       // "outDir": "./",                        /* Redirect output structure to the directory. */