Merge pull request #7 from Dual-Life/develop

1.59 Prevent XSLoader call on non-threaded Perl

Merge pull request #6 from Dual-Life/develop

1.58 Clang macros

Merge pull request #5 from Dual-Life/develop

1.57 Clang macros

Merge pull request #4 from Dual-Life/develop

1.55 Destructors doc

Merge pull request #3 from Dual-Life/develop

1.54 Fix Clang macro

Merge pull request #2 from Dual-Life/develop

1.52 - Update test.pl

Merge pull request #1 from Dual-Life/develop

1.51 Sync with blead

threads-shared v1.48

threads-shared v1.46

threads-shared v1.45