Merge pull request #641 from nd-02110114/master

Fix README

README.md

       console.log('oops', err)
     })
     ifstream.onEnd(() => {  
-      <Image source={{ uri : 'data:image/png,base64' + data }}
+      <Image source={{ uri : 'data:image/png,base64' + data }}/>
     })
 })
 ```