Readme update, changed a version.

README.md

@@ -11,7 +11,7 @@
 To add a library to a project please add this line to your application's build.gradle, `dependencies` section:
 
 ```
-compile 'ru.ivanarh.ndcrash:jndcrash-libunwind:0.3'
+compile 'ru.ivanarh.ndcrash:jndcrash-libunwind:0.4'
 ```
 
 Also make sure that `jcenter()` is included to `repositories` section (it's already done in default project template). Run "Sync" operation and verify that no error has occured.