sub _load {
    my ($self, $plugin) = @_;
 
    if ($plugin =~ /(.*)\W(\w+)\.pm/){
        unshift @INC, $1;
        $plugin = $2;
    }
    elsif ($plugin =~ /^(\w+)\.pm$/){
        unshift @INC, '.';
        $plugin = $1;
    }
 
    my $loaded = eval { load $plugin; 1; };
 
    if ($loaded) {
        return $plugin;
    }
}