added makefile with dependency checks and some other goodies

Makefile.PL

@@ -0,0 +1,17 @@
+use inc::Module::Install;
+
+name 'bdshell';
+license 'perl';
+all_from 'script/bdshell';
+
+requires 'autodie';
+requires 'IO::File';
+requires 'Getopt::Long';
+requires 'Pod::Usage';
+requires 'DBD::Pg';
+
+install_script 'bdshell';
+
+WriteAll;
+
+1;

bdshell → script/bdshell

@@ -1,18 +1,19 @@
 #!/usr/bin/env perl
-use Carp;
+use feature ':5.10';
+use 5.10.0;
 use strict;
 use warnings;
-use autodie;
-use feature ':5.10';
 
-use XXX;
-use Data::Dumper;
+use autodie;
+use Carp;
 use DBD::Pg;
 use Text::CSV;
 use IO::File;
 use Getopt::Long;
 use Pod::Usage;
 
+our $VERSION = '0.01';
+
 my ($un, $db, $pw, $help, $command, $file);
 my $result = GetOptions(
 	'username|U=s'   => \$un