Indicate that non-released 2.0 version needs to be used

Author: Alexander Obuhovich

README.md

@@ -12,7 +12,7 @@ this API library will help your problems regarding JIRA. hope you enjoy it.
 composer.json
 
 ```
-composer require chobie/jira-api-restclient 2.0.*
+composer require chobie/jira-api-restclient 2.0@dev
 ```