Fix all the warnings that are dumped on the screen

[marksteward]

Presumably passing in junk here:

Use of uninitialized value $data in pattern match (m//) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 58.
Use of uninitialized value $data in pattern match (m//) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 61.
Use of uninitialized value $data in pattern match (m//) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 64.
Use of uninitialized value $data in numeric gt (>) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 67.
Use of uninitialized value $data in numeric gt (>) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 73.
...
Use of uninitialized value $data in pattern match (m//) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 1462.
Use of uninitialized value $data in numeric gt (>) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 1465.
Use of uninitialized value $data in numeric gt (>) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 1471.
Use of uninitialized value $data in numeric gt (>) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 1477.
Use of uninitialized value $data in pattern match (m//) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/File/Type.pm line 1483.
Use of uninitialized value $_ in numeric gt (>) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/IO/HTML.pm line 199.

[marksteward]

These seem to repeat:

Use of uninitialized value $find in pattern match (m//) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode/Alias.pm line 31.
Use of uninitialized value $find in lc at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode/Alias.pm line 40.
Use of uninitialized value $find in pattern match (m//) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode/Alias.pm line 31.
Use of uninitialized value $find in lc at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode/Alias.pm line 40.
Use of uninitialized value $find in pattern match (m//) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode/Alias.pm line 31.
Use of uninitialized value $find in string eq at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode/Alias.pm line 44.
Use of uninitialized value $find in hash element at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode/Alias.pm line 57.
Use of uninitialized value $find in lc at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode/Alias.pm line 58.
Use of uninitialized value $find in hash element at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode/Alias.pm line 77.
Use of uninitialized value $name in string ne at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode.pm line 111.
Use of uninitialized value $name in hash element at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode.pm line 115.
Use of uninitialized value $name in concatenation (.) or string at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/5.14.2/x86_64-linux/Encode.pm line 172.

[marksteward]

And this is caused by http://blog.petecheslock.com/2013/05/03/devops-in-your-job-title-is-doing-you-harm:

Use of uninitialized value $_ in numeric gt (>) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/IO/HTML.pm line 199.
Use of uninitialized value $_ in scalar assignment at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/IO/HTML.pm line 204.
Use of uninitialized value $stop in numeric lt (<) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/IO/HTML.pm line 205.
Use of uninitialized value $_ in numeric gt (>) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/IO/HTML.pm line 199.
Use of uninitialized value $_ in scalar assignment at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/IO/HTML.pm line 204.
Use of uninitialized value $stop in numeric lt (<) at /home/Mark/perl5/perlbrew/perls/perl-5.14.2/lib/site_perl/5.14.2/IO/HTML.pm line 205.

[firesock]

These should have been fixed by eaa8515 - are you still seeing it? Were being caused by checktype_contents having fun with an undef value when charset was missing.