Upgrade dependencies

Related expressjs#4171

package.json

@@ -33,8 +33,8 @@
     "content-disposition": "0.5.3",
     "content-type": "~1.0.4",
     "cookie": "0.4.0",
-    "cookie-signature": "1.0.6",
-    "debug": "2.6.9",
+    "cookie-signature": "1.1.0",
+    "debug": "4.1.1",
     "depd": "~1.1.2",
     "encodeurl": "~1.0.2",
     "escape-html": "~1.0.3",
@@ -47,12 +47,12 @@
     "parseurl": "~1.3.3",
     "path-to-regexp": "0.1.7",
     "proxy-addr": "~2.0.5",
-    "qs": "6.7.0",
+    "qs": "6.9.1",
     "range-parser": "~1.2.1",
-    "safe-buffer": "5.1.2",
+    "safe-buffer": "5.2.0",
     "send": "0.17.1",
     "serve-static": "1.14.1",
-    "setprototypeof": "1.1.1",
+    "setprototypeof": "1.2.0",
     "statuses": "~1.5.0",
     "type-is": "~1.6.18",
     "utils-merge": "1.0.1",
@@ -62,20 +62,20 @@
     "after": "0.8.2",
     "connect-redis": "3.4.1",
     "cookie-parser": "~1.4.4",
-    "cookie-session": "1.3.3",
+    "cookie-session": "1.4.0",
     "ejs": "2.6.1",
     "eslint": "2.13.1",
-    "express-session": "1.16.1",
-    "hbs": "4.0.4",
+    "express-session": "1.17.0",
+    "hbs": "4.1.0",
     "istanbul": "0.4.5",
-    "marked": "0.6.2",
+    "marked": "0.8.0",
     "method-override": "3.0.0",
     "mocha": "5.2.0",
     "morgan": "1.9.1",
     "multiparty": "4.2.1",
     "pbkdf2-password": "1.2.1",
     "should": "13.2.3",
-    "supertest": "3.3.0",
+    "supertest": "4.0.2",
     "vhost": "~3.0.2"
   },
   "engines": {