Log Message:
Updated p5-JSON-XS to 3.03.

3.03 Wed Nov 16 20:20:59 CET 2016
	- fix a bug introduced by a perl bug workaround that would cause
          incremental parsing to fail with a sv_chop panic.
	- json_xs: toformat failure error message fixed.
        - json_xs: allow cyclic data structures in CBOR.