bump deps

Author: mafintosh

package.json

@@ -4,9 +4,9 @@
   "description": "Turn a writable and readable stream into a streams2 duplex stream with support for async initialization and streams1/streams2 input",
   "main": "index.js",
   "dependencies": {
-    "end-of-stream": "^1.0.0",
-    "inherits": "^2.0.1",
-    "readable-stream": "^2.0.0",
+    "end-of-stream": "^1.4.1",
+    "inherits": "^2.0.3",
+    "readable-stream": "^3.1.1",
     "stream-shift": "^1.0.0"
   },
   "devDependencies": {