Log Message:
Update to 1.17:

1.17    2015-01-08

- More XS fixes. Simplified how we localize $@ in the XS code and fixed error
  with Perls compiled with -DDEBUGGING. Reported by Lars \ 
Dɪᴇᴄᴋᴏᴡ. RT #101416.

1.16    2015-01-07

- The changes in 1.14 introduced a memory leak any time a callback was called
  and it did not throw an error that was a reference. This affected the
  DateTime constructor and probably many other things. Reported by David
  Kayal. RT #101380.