Update deps

package.json

@@ -31,16 +31,16 @@
   },
   "devDependencies": {
     "ftpd": "sstur/nodeftpd",
-    "mocha": "3",
-    "st": "^0.5.5",
+    "mocha": "5",
+    "st": "1",
     "stream-to-array": "2"
   },
   "dependencies": {
-    "data-uri-to-buffer": "1",
+    "data-uri-to-buffer": "2",
     "ftp": "~0.3.10",
-    "debug": "2",
+    "debug": "4",
     "extend": "~3.0.2",
     "file-uri-to-path": "1",
-    "readable-stream": "2"
+    "readable-stream": "3"
   }
 }