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						- sdk-base
 - ---------------
 - 
 - [![NPM version][npm-image]][npm-url]
 - [![build status][travis-image]][travis-url]
 - [![Test coverage][coveralls-image]][coveralls-url]
 - [![Gittip][gittip-image]][gittip-url]
 - [![David deps][david-image]][david-url]
 - [![npm download][download-image]][download-url]
 - 
 - [npm-image]: https://img.shields.io/npm/v/sdk-base.svg?style=flat-square
 - [npm-url]: https://npmjs.org/package/sdk-base
 - [travis-image]: https://img.shields.io/travis/node-modules/sdk-base.svg?style=flat-square
 - [travis-url]: https://travis-ci.org/node-modules/sdk-base
 - [coveralls-image]: https://img.shields.io/coveralls/node-modules/sdk-base.svg?style=flat-square
 - [coveralls-url]: https://coveralls.io/r/node-modules/sdk-base?branch=master
 - [gittip-image]: https://img.shields.io/gittip/dead-horse.svg?style=flat-square
 - [gittip-url]: https://www.gittip.com/dead-horse/
 - [david-image]: https://img.shields.io/david/node-modules/sdk-base.svg?style=flat-square
 - [david-url]: https://david-dm.org/node-modules/sdk-base
 - [download-image]: https://img.shields.io/npm/dm/sdk-base.svg?style=flat-square
 - [download-url]: https://npmjs.org/package/sdk-base
 - 
 - 
 - A base class for sdk with default error handler.
 - 
 - ## Installation
 - 
 - ```bash
 - $ npm install sdk-base
 - ```
 - 
 - ## Usage
 - 
 - ```js
 - var Base = require('sdk-base');
 - var util = require('util');
 - 
 - function Client() {
 -   Base.call(this);
 - }
 - 
 - util.inherits(Client, Base);
 - ```
 - 
 - ### API
 - 
 - - `.ready(flagOrFunction)`
 - 
 -     ```js
 -     // init ready
 -     client.ready(true);
 -     // listen client ready
 -     client.ready(function() {
 -       console.log('client is ready');
 -     });
 -     ```
 - 
 - - `.on(event, listener)`
 - 
 -     ```js
 -     // listen error event
 -     client.on('error', function(err) {
 -       console.error(err.stack);
 -     });
 -     ```
 - 
 - ### License
 - 
 - MIT
 
 
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