Log Message:
Update to 1.29:

[Changes for 1.29 - 2014-12-15]
* Bump to 1.29 with no changes after CPAN Testers looks good.

[Changes for 1.29_01 - 2014-12-14]

* Experimentally try patch from RT 83825. Will release if no test failures or \ 
complaints.
* Fix crash in syck_emit on platforms with long long pointers