[Catalyst] TIP: resolv uri based on delta params

[Dan Dascalescu]

> to summarize:
>
> <a href="[% c.request.uri_with( page => pager.next_page ) %]">Next Page</a>

Funny that Catalyst::Enzyme reinvented the wheel, too:
http://search.cpan.org/dist/Catalyst-Enzyme/lib/Catalyst/Enzyme/CRUD/View.pm#%24c-%3Ethis_request_except(%25new_params)