Browser and node support

client/wsrpc.js

@@ -1,5 +1,5 @@
-(function (window) {
-  window.WsRpc = function () {
+(function (exports) {
+  exports.WsRpc = function () {
     var ctx = this
     this._requests = {}
     /**
@@ -104,4 +104,4 @@
     })
     return ret
   }
-})(window)
+})(typeof exports === 'undefined' ? window : exports) // Register directly to window (this)