Add json HTTP response header

Merge pull request #9 from perfectio/patch-2

Update Action.php

Fixed headers_sent() usage

Merge pull request #7 from bmwx591/patch-1

Update Action.php

Fixed cycle trait usage

Merge pull request #6 from nikosid/master

Fixed cycle traits using

Exception reparing

Merge pull request #4 from Reza1607/master

two bug fix

Version 1.1.1

• Json-Rpc 2.0 Specification support
• Usig traits for sincapsulate json-rpc protocol specification
• Json-Rpc server implementation as Action
• Json-Rpc client