Config-General 2.50

on Perl CPAN

fixed rt.cpan.org#63487 documentation error.

fixed rt.cpan.org#61302, now croak if the config file
parameter is a directory and directory include is not
turned on.

fixed rt.cpan.org#60429 META.yml typo

added new option -AllowSingleQuoteInterpolation, which
turns on interpolation for variables inside single quotes.

added test case for the new option