Log Message:
Update p5-JSON to 2.10.

2.10  Tue Jun  3 18:42:11 2008
	[JSON]
	- made compatible with JSON::XS 2.21
	    * updated the document.
	- added an item pointed by rt#32361 to the doc.

	[JSON::PP] [JSON::PP58] [JSON::PP56] [JSON::PP5005]
	- made compatible with JSON::XS 2.21
	    * added incr_reset
	- removed useless codes.

2.09  Sun Apr 20 20:45:33 2008
	[JSON]
	- made compatible with JSON::XS 2.2
	- changed pod section totally.

	[JSON::PP] 2.20001
	- made compatible witg JSON::XS 2.2
	    * lifted the log2 rounding restriction of max_depth and max_size.
	    * incremental json parsing (EXPERIMENTAL).
	    * allow_unknown/get_allow_unknown methods.
	- the version format was changed.
	    X.YYZZZ =>  X.YY is the same as JSON::XS. ZZZ is the PP own version.
	- changed pod section totally.

2.08  Sat Apr 12 22:49:39 2008
	[JSON]
	- fixed JSON::Boolean inheritance mechanism.
            If the backend is XS with support_by_pp mode and using PP only
            support method, JSON::Boolean did not work correctly.
            Thanks to hg[at]apteryx's point.

	[JSON::PP] 2.07
	- Now split into JSON::PP58 for Perl 5.8 and lator.
	- made an error message compatible to JSON::XS
            did not croak when TO_JSON method returns same object as passed.

	[JSON::PP58]
	- modified for Perls post 5.8.0 that don't have utf8::is_utf8.
	    Thanks to Andreas Koenig.

2.07  Sat Feb 16 15:52:29 2008
	[JSON]
	- experimentally added -convert_blessed_universally to define
	    UNIVERSAL::TO_JSON subroutine.

              use JSON -convert_blessed_universally;
              $json->convert_blessed->encode( $blessed );

	- and as_nonbleesed is obsoleted (not yet removed). OK?
	- fixed t/04_pretty.t.