Be less strict when testing for midgnight:

As long as the values changes, we are ok. Some clocks on cpantesters are
weird...

http://www.cpantesters.org/cpan/report/b77326fc-69d2-11e2-b162-c5ed238b44f3
http://www.cpantesters.org/cpan/report/08b67580-6a34-11e2-a2f1-82091a5d253f

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Fix typos and tidy POD

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Prepare release 0.005

Signed-off-by: Pedro Melo <melo@simplicidade.org>
v0.006

        * Tweak midnight tests to cope with strange clocks on some
          cpantesters setups