update readme and version

Author: figadore

README.md

@@ -11,7 +11,7 @@ npm install bunyan-elasticsearch
 
 ## Logstash Template
 
-By default Logstash will create a dynamic template that will take care of crating `.raw` fields for your data. In order to replicate this behaivor you will need to create the dynamic template manually. You will need to [download template.json](https://raw.github.com/ccowan/bunyan-elasticsearch/master/template.json) and run the following command from the same directory as that file:
+By default Logstash will create a dynamic template that will take care of crating `.raw` fields for your data. In order to replicate this behavior you will need to create the dynamic template manually. You will need to [download template.json](https://raw.github.com/ccowan/bunyan-elasticsearch/master/template.json) and run the following command from the same directory as that file:
 
 ```
 curl -XPUT localhost:9200/_template/logstash -d @template.json
@@ -25,7 +25,10 @@ var Elasticsearch = require('bunyan-elasticsearch');
 var esStream = new Elasticsearch({
   indexPattern: '[logstash-]YYYY.MM.DD',
   type: 'logs',
-  host: 'localhost:9200' 
+  host: 'localhost:9200'
+});
+esStream.on('error', function (err) {
+  console.log('Elasticsearch Stream Error:', err.stack);
 });
 
 var logger = bunyan.createLogger({
@@ -40,3 +43,11 @@ var logger = bunyan.createLogger({
 logger.info('Starting application on port %d', app.get('port'));
 ```
 
+## Options
+
+* `client`: Elasticsearch client. Defaults to new client created with current set of options as an argument
+* `type` {string|function}: Elasticsearch `type` field. Default: `'logs'`
+* `indexPattern` {string}: Used to generate index if `index` option not set. Default: `'[logstash-]YYYY.MM.DD'`
+* `index` {string|function}: Elasticsearch index. Defaults to index generated using index pattern
+
+Options `type` and `index` can be either a string or function. For these options, when the option is set to a function, the function is passed the log entry object as an argument

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bunyan-elasticsearch",
-  "version": "0.0.4",
+  "version": "1.0.0",
   "description": "A Bunyan stream for sending log data to Elasticsearch",
   "main": "index.js",
   "scripts": {