Use perl-sys with exception handling.
Use perl-sys with exception handling.

perl-sys crate now embeds exception handling into the bindings
themselves. It makes it possible to simplify exception handling in this
crate greatly down to just re-throwing Perl exception when necessary.
The fact that we don't have to make five function calls (as with old
exception handling setup) improves performance greatly.

vickenty/perl-xs,vickenty/perl-xs