fixed rt.cpan.org#50647 escaping bug. Now escaped $ or
backslash characters are handled correctly (across save too)fixed rt.cpan.org#52047, tied hash will remain tied
when savong to a file.fixed rt.cpan.org#54580, preserve single quotes during
variable interpolation corrected. No more using rand()
to mark single quotes but an incrementor instead.fixed rt.cpan.org#42721+54583, empty config values will no
more handed over to interpreting methods (as interpolate
or autotrue and the like) but returned as undef untouched.