tag 2.2.1

Author: sequoiar

package.json

@@ -2,7 +2,7 @@
   "author": "Tom Zhou (http://iwebpp.com)",
   "name": "iwebpp.io",
   "description": "iWebPP name-client library for node.js",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "repository": {
     "type": "git",
     "url": "git://github.com/InstantWebP2P/iwebpp.io.git"