make test generates warnings

[joshrabinowitz]

If I take current master and perform a 'make test', I get the following warnings:

% make test
PERL_DL_NONLAZY=1 "/opt/perlbrew/perls/perl-5.24.0/bin/perl" "-MExtUtils::Command::MM" "-MTest::Harness" "-e" "undef *Test::Harness::Switches; test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/00-load.t ........ 1/1
# Testing Dancer::Plugin::SimpleCRUD 1.14, Perl 5.024000, /opt/perlbrew/perls/perl-5.24.0/bin/perl
t/00-load.t ........ ok
t/01-basic-dpsc.t .. 1/? 
Use of uninitialized value in concatenation (.) or string at /home/user/gitsrc/Dancer-Plugin-SimpleCRUD/blib/lib/Dancer/Plugin/SimpleCRUD.pm line 728.
Use of uninitialized value in concatenation (.) or string at /home/user/gitsrc/Dancer-Plugin-SimpleCRUD/blib/lib/Dancer/Plugin/SimpleCRUD.pm line 728.
Use of uninitialized value in concatenation (.) or string at /home/user/gitsrc/Dancer-Plugin-SimpleCRUD/blib/lib/Dancer/Plugin/SimpleCRUD.pm line 728.
t/01-basic-dpsc.t .. ok
t/manifest.t ....... skipped: Author tests not required for installation
t/pod-coverage.t ... ok
t/pod.t ............ ok