Written tests for empty request and responses
Constructor of Controller now creates Request and Response default objects if they don't already exist
Wrote test for music page in page tester.
PHP doc for getNavigation() in Content model.
Looks for top_panel not top-panel now.
Renamed top-panel.php to top_panel.php
PHP doc added to Request model
Written test for array sanity in getNavigation of content test.
Added a 'work' page test.
Written a 'currentPage' test for request
Written the getCurrentPage() method in request class.
Much neater: $request->getCurrentPage() method in navigation builder.
Some work on the breadcrumb system.