Log Message:
Update to 2.27:

2.27  Sun Oct 31 20:32:46 2010
	[JSON::PP]
	- Some optimizations (gfx)
	[JSON::PP::5005]
	- added missing B module varibales (makamaka)

2.26  Tue Sep 28 17:41:37 2010
	[JSON::PP]
	- cleaned up code and enhanced sort option efficiency in encode.

2.25  Tue Sep 28 16:47:08 2010
	[JSON]
	- JSON::Backend::XS::Supportable always executed a needless process
	    with JSON::XS backend. This made encode/decode a bit slower.

2.24  Mon Sep 27 10:56:24 2010
	[JSON::PP]
	- tweaked code.
	- optimized code in hash object encoding.

2.23  Sun Sep 26 22:08:12 2010
	[JSON::PP]
	- modified tied object handling in encode. it made encoding speed faster.
	    pointed by https://rt.cpan.org/Ticket/Display.html?id=61604
	- modified t/e10_bignum.t
            for avoiding a warning in using Math::BigInt dev version