Upgrade dependencies

package.json

@@ -27,30 +27,29 @@
   },
   "homepage": "https://github.com/RealOrangeOne/tstatic#readme",
   "dependencies": {
-    "basic-auth": "=1.1.0",
-    "compression": "=1.6.2",
-    "connect-static-file": "=1.1.2",
-    "docopt": "=0.6.2",
-    "express": "=4.15.2",
+    "compression": "1.6.2",
+    "connect-static-file": "1.2.0",
+    "docopt": "0.6.2",
+    "express": "4.15.3",
     "express-basic-auth": "1.0.1",
-    "express-ip-access-control": "=1.0.5",
-    "express-winston": "=2.3.0",
-    "helmet": "=3.6.1",
-    "opbeat": "=4.12.0",
-    "open": "=0.0.5",
-    "serve-index": "=1.8.0",
-    "winston": "=2.3.1"
+    "express-ip-access-control": "1.0.5",
+    "express-winston": "2.4.0",
+    "helmet": "3.6.1",
+    "opbeat": "4.14.0",
+    "open": "0.0.5",
+    "serve-index": "1.9.0",
+    "winston": "2.3.1"
   },
   "devDependencies": {
-    "chai": "=3.5.0",
-    "chai-as-promised": "=6.0.0",
-    "mocha": "=3.2.0",
-    "node-fetch": "=1.6.3",
-    "nsp": "=2.6.3",
-    "supertest": "=3.0.0",
-    "ts-node": "=2.1.0",
-    "tslint": "=4.5.1",
-    "typescript": "=2.2.1",
-    "typings": "=2.1.0"
+    "chai": "4.0.2",
+    "chai-as-promised": "7.1.1",
+    "mocha": "3.4.2",
+    "node-fetch": "1.7.1",
+    "nsp": "2.6.3",
+    "supertest": "3.0.0",
+    "ts-node": "3.2.0",
+    "tslint": "5.5.0",
+    "typescript": "2.2.1",
+    "typings": "2.1.0"
   }
 }

src/middleware/404.ts

@@ -4,7 +4,7 @@ import * as path from 'path';
 
 export default function handle404(serveDir: string) {
     const handle404Middleware = staticFile(path.join(serveDir, '.404.html'));
-    return function (request: Request, response: Response, next: Function) {
+    return function(request: Request, response: Response, next: () => void) {
         response.statusCode = 404;
         return handle404Middleware(request, response, next);
     };

src/middleware/static-files.ts

@@ -6,7 +6,7 @@ function isDirectory(url: string): boolean {
     return /\/$/.test(url);
 }
 
-export function indexHandle(request: express.Request, response: express.Response, next: Function) {
+export function indexHandle(request: express.Request, response: express.Response, next: () => void) {
     if (isDirectory(request.url)) {
         request.url = path.join(request.url, 'index.html');
     }