added white list
add logs to torack signal issues

see http://www.cpantesters.org/cpan/report/c5b885d0-401b-11e2-b162-c5ed238b44f3
suppress warnings
suppress warnings about SSL
IO::Socket::SSL does not set error to $!. Use IO::Socket::SSL::errstr().
show perl's version number on 00_compile.t.