o use something like L<JSON>
or L<JSON::XS>:
my $w1 = new WebService::CRUST(format => [ 'JSON', 'objToJson', 'jsonToObj' ]);
my $w2 = new WebService::CRUST(format => [ 'JSON::XS', 'decode', 'enco
also be a coderef, so for instance:
my $w = new WebService::CRUST(
format => [ 'JSON::Syck', sub { JSON::Syck::Load(shift) } ]
);
$w->get($url);
Formatter classes are loaded dynamically