Log Message:
Update to 3.22:

3.22 - Thu Aug 29 19:30:00 CET 2013
  - Fix parallel testing crashes.
  - Explicitly require new-enough Exporter.

3.21 - Fri Aug  9 19:08:00 CET 2013
  - stop "sv_2mortal(&PL_sv_yes)" and \ 
"(void)sv_newmortal()" for immortal
    typemap entries [perl #116152]
  - Deterministic C output (fix for hash randomization in 5.18).

3.18_04 - Fri Jun 20 17:47:00 CET 2013
  - Fix targetable size detection (& better tests)
  - Assorted cleanup and refactoring.

3.18_03 - Fri Apr 19 18:40:00 CET 2013
  - Heuristic (and flawed) type canonicalization for templated
    C++ types.
  - More tests ported from core.

3.18_02 - Mon Apr 15 07:30:00 CET 2013
  - ExtUtils::ParseXS no longer uses global state (if using OO
    interface).
  - New "real" OO interface.

3.18_01 - Thu Apr 11 19:17:00 CET 2013
  - ExtUtils::Typemaps gains a clone method.

3.18 - Mon Nov 19 07:35:00 CET 2012
  - Restore portability to Perl 5.6, which was lost at EU-PXS 3.00.
  - [perl #112776] avoid warning on an initialized non-parameter
  - Only increment PL_amagic_generation before 5.9