Enable nested rules
Merge pull request #50 from camael24/f/router_resource

Add nested routes.
Minor fix for indexes
Merge pull request #54 from guiled/fix_indexes

Minor fix for router indexes.
Fix a bug in escaping variables in Router::_unroute
Merge pull request #55 from guiled/unroute_escape

Fix a bug in escaping variables in Router::_unroute.