update so that you can pass your own state object

Author: AWinterman

README.md

@@ -63,7 +63,7 @@ with some sample defaults.
 ### `require('simple-scuttle').Gossip` ###
 
 ```js
-Gossip(String id, Object config) -> gossip
+Gossip(String id, Object config, Object state) -> gossip
 ```
 
 - `id`: The unique identifier for each `Gossip` instance.  
@@ -82,6 +82,7 @@ Gossip(String id, Object config) -> gossip
     and will be called by Array.sort under the hood. This function is used to
     order updates when another Gossip instance requests updates more recent
     than a given version number.
+- `state`: if you would like to pass a specific object to the Gossip to use as its key value store, perhaps a [proxy object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Meta_programming) which you have overrided to be backed by a database.
 
 # Admonition #
 

lib/gossip.js

@@ -8,7 +8,7 @@ util.inherits(Gossip, Stream.Transform)
 
 module.exports = Gossip
 
-function Gossip(id, config) {
+function Gossip(id, config, state) {
   if(!(this instanceof Gossip)) {
     return Gossip.apply(Object.create(proto), arguments)
   }
@@ -36,7 +36,7 @@ function Gossip(id, config) {
     , config.sort
   )
 
-  this.state = {}
+  this.state = state || {}
   this.id = id
   this.backlog = []