Poor handling of undefined values

[barefootcoder]

This:

[cibola:~] perl -MDate::Easy -le 'print datetime(undef)'
Use of uninitialized value $datetime in pattern match (m//) at /home/buddy/perl5/perlbrew/perls/perl-5.14.4/lib/site_perl/5.14.4/Date/Easy/Datetime.pm line 44.
Use of uninitialized value $datetime in concatenation (.) or string at /home/buddy/perl5/perlbrew/perls/perl-5.14.4/lib/site_perl/5.14.4/Date/Easy/Datetime.pm line 52.
Illegal datetime:  at -e line 1.

should be far less noisy. If the arg is undefined, it could short-circuit all the work it's trying to do and just throw an exception immediately.