Perl implementation of JSON Pointer (RFC6901)

 JSON::Pointer implements JSON Pointer (http://tools.ietf.org/html/rfc6901),
 and provides some useful operator from JSON Patch
 (http://tools.ietf.org/html/rfc6902).
 .
 JSON Pointer is available to identify a specified value in a JSON document,
 and it is simillar to XPath.